User:Psychless/1911 Encyclopædia Britannica/Volume 1
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- A
- Aa
- Aagensen, Andrew
- Aal
- Aalborg
- Aalen
- Aalesund
- Aali, Mehemet
- Aar
- Aarau
- Aard-vark
- Aard-wolf
- Aargau
- Aarhus
- Aaron
- Aaron's Rod
- Aarssens, Francis van
- Aasen, Ivar
- Ab
- Aba
- Abābda
- Abaca
- Abacus
- Abaddon
- Abadeh
- Abae
- Abakansk
- Abalone
- Abana
- Abancourt, Charles Xavier Joseph de Franqueville D'
- Abandonment
- Abano, Pietro D'
- Abano Bagni
- Abaris
- Abated
- Abatement
- Abati, Niccolo
- Abatis
- Abattoir
- Abauzit, Firmin
- 'Abaye
- 'Abba 'Arika
- Abbadides
- Abbadie, Antoine Thomson D' and Arnaud Michel D'
- Abbadie, Jakob
- 'Abbahu
- Abba Mari
- Abbas I (Egypt)
- Abbas II
- Abbas I (Persia)
- Abbasids
- Abbas Mirza
- Abbas-Tuman
- Abbazia
- Abbess
- Abbeville
- Abbey, Edwin Austin
- Abbey
- Abbon of Fleury
- Abbot, Ezra
- Abbot, George (Archbishop)
- Abbot, George (writer)
- Abbot, Robert
- Abbot, William
- Abbot
- Abbotsford
- Abbott, Edwin Abbott
- Abbott, Emma
- Abbott, Jacob
- Abbott, John Stevens Cabot
- Abbott, Lyman
- Abbottabad
- Abbreviation
- Abbreviators
- Abdallatif
- Abd-ar-Rahman
- Abd-el-Aziz IV
- Abd-el-Kader
- Abdera (Spain)
- Abdera (Thrace)
- Abdication
- Abdomen
- Abduction
- Abd-ul-Aziz
- Abd-ul-Hamid I
- Abd-ul-Hamid II
- Abd-ul-Mejid
- Abdur Rahman Khan
- Abecedarians
- A Beckett, Gilbert Abbott
- Abednego
- Abeken, Heinrich
- Abel
- Abel, Sir Frederick Augustus, Bart.
- Abel, Karl Friedrich
- Abel, Niels Henrik
- Abel, Thomas
- Abelard, Peter
- Abelin, Johann Philipp
- Abencerrages
- Abendana
- Abenezra
- Abensberg
- Abeokuta
- Aberavon
- Abercarn
- Abercorn, James Hamilton
- Abercrombie, John
- Abercromby, David
- Abercromby, Patrick
- Abercromby, Sir Ralph
- Aberdare, Henry Austin Bruce, 1st Baron
- Aberdare
- Aberdeen, George Gordon, 1st Earl of
- Aberdeen, George Hamilton Gordon, 4th Earl of
- Aberdeen (burgh)
- Aberdeen (city)
- Aberdeenshire
- Aberdour
- Aberdovey
- Aberfoyle
- Abergavenny
- Aberigh-Mackay, George Robert
- Abernethy, John (priest)
- Abernethy, John (surgeon)
- Aberration
- Abersychan
- Abertillery
- Aberystwyth
- Abettor
- Abeyance
- Abgar
- Abhidhamma
- Abhorrers
- Abiathar
- Abich, Otto Wilhelm Hermann von
- Abigail
- Abijah
- Abila
- Abildgaard, Nikolaj Abraham
- Abimelech
- Abingdon
- Abinger, James Scarlett, 1st Baron
- Abington, Frances
- Abiogenesis
- Abipones
- Abitibbi
- Abjuration
- Abkhasia
- Ablation
- Ablatitious
- Ablative
- Ablution
- Abnaki
- Abner
- Abo
- Abo-Bjorneborg
- Abode
- Abomasum
- Abomey
- Abomination
- Abor Hills
- Aborigines
- Abortion
- Aboukir
- About, Edmond Francois Valentin
- Abrabanel, Isaac
- Abracadabra
- Abraham
- Abraham a Sancta Clara
- Abraham Ibn Daud
- Abrahamites
- Abraham-men
- Abrantes
- Abrasion
- Abraum Salts
- Abraxas
- Abrogation
- Abruzzi E Molise
- Absalom
- Absalon
- Abscess
- Abscissa
- Abscission
- Abscond
- Absence
- Absenteeism
- Absinthe
- Absolute
- Absolution
- Absolutism
- Absorption of light
- Abstemii
- Abstinence
- Abstraction
- Abstract of title
- Abt, Franz
- Abu
- Abu-Bekr
- Abu Hamed
- Abū Ḥanīfa an-Nu‛mān ibn Thābit
- Abu Klea
- Abu-l-'Ala ul-Ma'arri
- Abu-l-'atahiya
- Abulfaraj
- Abul Fazl
- Abulfeda
- Abu-l-Qasim
- Abundantia
- Abu Nuwas
- Abu Simbel
- Abu Tammam
- Abutilon
- Abutment
- Abu Ubaida
- Abydos, Mysia
- Abydos, Egypt
- Abyss
- Abyssinia
- Abyssinian Church
- Acacia
- Academies
- Academy, Greek
- Academy, Royal
- Acadian
- Acadie
- Acamthocephala
- Acanthus
- Acapulco
- Acarnania
- Acarus
- Acastus
- Acatalepsy
- Acaulescent
- Acca Larentia
- Acceleration
- Accent
- Acceptance
- Acceptilation
- Access
- Accession
- Accessory
- Acciajuoli, Donato
- Accidence
- Accident
- Accidentalism
- Accius
- Accius, Lucius
- Acclamation
- Acclimatization
- Accolade
- Accolti, Benedetto
- Accolti, Bernado
- Accolti, Pietro
- Accomodation
- Accomodation bill
- Accompaniment
- Accomplice
- Accoramboni, Vittoria
- Accord
- Accordion
- Accorso (Accursius), Marianoelo
- Account
- Accountant-General
- Accountants
- Accoutrement
- Accra
- Accretion
- Accrington
- Accumulation
- Accumulator
- Accursius, Franciscus
- Accusation
- Accusative
- Ace
- Aceldama
- Acenaphthene
- Acephali
- Acephalous
- Acerenza
- Acerose
- Acerra (town)
- Acerra (pottery)
- Acetabulum
- Acetic Acid
- Aceto-Acetic Ester
- Acetone
- Acetophenone
- Acetylene
- Achaea
- Achaean League
- Achaeans
- Achaemenes
- Achard, Franz Carl
- Acharius, Erik
- Achates
- Achelous
- Achenbach, Andreas
- Achenwall, Gottfried
- Acheron
- Achiacharus
- Achill
- Achilles
- Achilles Tatius
- Achillini, Alessandro
- Achimenes
- Achin
- Acholi
- Achromatism
- Acid
- Acidalius, Valens
- Acid-Amides
- Acinaces
- Acineta
- Acinus
- Acireale
- Acis
- Ackerman, Francis
- Ackermann, Johann Christian Gottlieb
- Ackermann, Louise Victorine Choquet
- Ackermann, Rudolph
- Acknowledgment
- Acland, Christian Henrietta Caroline
- Acland, Sir Henry Wentworth, Bart.
- Acme
- Acmite
- Acne
- Acoemeti
- Acolyte
- Acominatus, Michael
- Aconcagua
- Aconcio, Giacomo
- Aconite
- Acontius
- Acorn
- Acorus Calamus
- Acosta, Jose de
- Acosta, Uriel
- Acotyledones
- Acoustics
- Acqui
- Acre (state)
- Acre (town)
- Acre (land measure)
- Acridine
- Acro, Helenius
- Acrobat
- Acrogenae
- Acroliths
- Acromegaly
- Acron
- Acropolis
- Acropolita, George
- Acrostic
- Acroterium
- Act
- Acta Diurna
- Actaeon
- Acta Senatus
- Actinometer
- Actinomycosis
- Actinozoa
- Action
- Actium
- Act of Parliament
- Acton (John Emerich Edward Dalbert Acton), 1st Baron
- Acton, Sir John Francis Edward, Bart.
- Acton
- Act on Petition
- Acts of the Apostles
- Actuary
- Acuminate
- Acuna, Christoval de
- Acupressure
- Acupuncture
- Adabazar
- Adad
- Adagio
- Adair, John
- Adalberon
- Adalbert (archbishop)
- Adalvert (bishop)
- Adalia
- Adam
- Adam of Bremen
- Adam (or Adan) de le Hale
- Adam, Alexander
- Adam, Sir Frederick
- Adam, Juliette
- Adam, Lambert Sigisbert
- Adam, Melchior
- Adam, Paul
- Adam, Robert
- Adam, William
- Adamant
- Adamawa
- Adamites
- Adamnan
- Adams, Andrew Leith
- Adams, Charles Francis
- Adams, Henry
- Adams, Henry Carter
- Adams, Herbert
- Adams, Herbert Baxter
- Adams, John
- Adams, John Couch
- Adams, John Quincy
- Adams, Samuel
- Adams, Thomas
- Adams, William
- Adams
- Adam's Apple
- Adam's Bridge
- Adam Scotus
- Adamson, Patrick
- Adamson, Robert
- Adam's Peak
- Adana
- Adanson, Michel
- Adaptation
- Adda
- Addams, Jane
- Addax
- Adder
- Addison, Joseph
- Addison's Disease
- Address, The
- Adelaer
- Adelaide (Queen)
- Adelaide (City)
- Adelard
- Adelsberg
- Adelung, Johann Christoph
- Ademption
- Aden
- Adenes
- Adenine
- Adenoids
- Adept
- Aderno
- Adevism
- Adhemar de Chabannes
- Adhemar de Moteil
- Adhesion
- Adiaphorists
- Adige
- Adipocere
- Adirondacks
- Adis Ababa
- Adjective
- Adjurnment
- Adjudication
- Adjunct
- Adjustment
- Adjutage
- Adjutant
- Adjutant-General
- Adler, Felix
- Admetus
- Administration
- Administrator (English law)
- Administrator (Scots law)
- Admiral
- Admiralty Administration
- Admiralty, High Court of
- Admiralty Islands
- Admiralty Jurisdiction
- Admission
- Ado
- Adobe
- Adolescence
- Adolph of Nassau
- Adolphus, John Leycester
- Adolphus Frederick
- Adoni
- Adonijah
- Adonis (mythology)
- Adonis (plants)
- Adoptianism
- Adoption
- Adoration
- Adorf
- Adour
- Adowa
- Adra
- Adrar
- Adrastus
- Adria
- Adrian (popes)
- Adrian, Saint
- Adrian (city)
- Adriani, Giovanni Battista
- Adrianople (vilayet)
- Adrianople (city)
- Adriatic Sea
- Adscript
- Adullam
- Adulteration
- Adultery
- Ad valorem
- Advancement
- Advantage
- Advent
- Adventists, Second
- Adventitious
- Adventure
- Advertisment
- Advocates, Faculty of
- Advocatus Diaboli
- Advowson
- Adye, Sir John Miller
- Adytum
- Adze
- Aeacus
- Aeclanum
- Aedesius
- Aedicula
- Aedile
- Aedui
- Aegadian Islands
- Aegean civilisation
- Aegean Sea
- Aegeus
- Aegina
- Aegineta, Paulus
- Aegis
- Aegisthus
- Aegospotami
- Ælfric
- Aelia Capitolina
- Aelian (Aelianus Tacticus)
- Aelian (Claudius Aelinaus)
- Aelred
- Aemilia Via
- Aemilius, Paulus
- Aeneas
- Aeneas Tacticus
- Aenesidemus
- Aeolian Harp
- Aeolis
- Aeolus
- Aeon
- Aepinus, Franz Ulrich Theodor
- Aequi
- Aerarii
- Aerarium
- Aerated waters
- Aeronautics
- Aerostation
- Aerotherapeutics
- Aertszen, Pieter
- Aeschines (Greek statesman)
- Aeschines (Athenian philosopher)
- Aeschylus
- Aesculapius
- Aesernia
- Aesop
- Aesopus
- Aesopus, Clodius
- Aesthetics
- Aestivation
- Æthelbald (king of Mercia)
- Æthelbald (king of Wessex)
- Æthelberht (king of Kent)
- Æthelberht (king of the West Saxons)
- Æthelflaed
- Æthelfrith
- Ætheling
- Æthelnoth
- Æthelred
- Æthelred I
- Æthelred II
- Æthelstan
- Æthelweard
- Æthelwulf
- Aether
- Aethicus
- Aetiology
- Aetion
- Aetius (sect founder)
- Aetius (Greek physician)
- Aetius (general)
- Aetolia
- Afars
- Afer, Domitius
- Affection
- Affidavit
- Affiliation
- Affinity
- Affinity, Chemical
- Affirmation
- Affray
- Affre, Denis Auguste
- Affreightment
- Afghanistan
- Afghan Turkestan
- Afium-kara-hissar
- A fortiori
- Afranius, Lucius (Roman general)
- Afranius, Lucius (Roman poet)
- Africa
- Africa, Roman
- African Lily
- Africanus, Sextus Julius
- Afridi
- Afterglow
- Afzelius, Adam
- Afzelius, Arvid August
- Aga
- Agaiambo
- Aga Khan I.
- Agalmatolite
- Agamedes
- Agamemnon
- Agapē
- Agapemonites
- Agapetae
- Agapetus (pope)
- Agapetus (deacon)
- Agarde, Arthur
- Agas, Radulph
- Agasias
- Agassiz, Alexander Emanuel
- Agassiz, Jean Louis Rodolphe
- Agate
- Agatha, Saint
- Agathangelus
- Agatharchides
- Agatharchus
- Agathias
- Agatho
- Agathocles
- Agathodaemon (spirit)
- Agathodaemon
- Agathon
- Agathyrsi
- Agave
- Agde
- Age
- Ageladas
- Agen
- Agenais
- Agent
- Agent-General
- Agesander
- Agesilaus II.
- Agglomerate
- Agglutination
- Aggravation
- Aggregation
- Aggtelek
- Agincourt
- Agio
- Agira
- Agis
- Agistment
- Agitators
- Agliardi, Antonio
- Agnano, Lago Di
- Agnates
- Agnes, Saint
- Agnes of Meran
- Agnesi, Maria Gaetana
- Agnew, David Hayes
- Agni
- Agnoetae
- Agnoiology
- Agnosticism
- Agnus Dei
- Agobard
- Agonalia
- Agonic Lines
- Agonothetes
- Agora
- Agoracritus
- Agoranomi
- Agordat
- Agostini, Leonardo
- Agostino, Paolo
- Agostino and Agnolo Da Siena
- Agoult, Marie Catherine Sophie de Flavigny, Comtesse d'
- Agouti
- Agra
- Agra Canal
- Agram
- Agrapha
- Agrarian Laws
- Agreda, Maria Fernandez Coronel, Abbess Of
- Agricola, Christoph Ludwig
- Agricola, Georg
- Agricola, Gnaeus Julius
- Agricola, Johann Friedrich
- Agricola, Johannes
- Agricola, Martin
- Agricola, Rodolphus
- Agricultural Gangs
- Agriculture
- Agriculture, Board Of
- Agrigentum
- Agrimony
- Agrionia
- Agrippa
- Agrippa, Herod, I.
- Agrippa, Herod, II.
- Agrippa, Marcus Vipsanius
- Agrippa Von Nettesheim, Henry Cornelius
- Agrippina (elder)
- Agrippina (younger)
- Agroteras Thusia
- Aguadilla
- Aguado, Alexandre Marie
- Aguascalientes
- Ague
- Aguesseau, Henri François D'
- Aguilar, Grace
- Aguilar
- Águilas
- Aguilera, Ventura Ruiz
- Aguillon, François D'
- Ahab
- 'Ahai
- Ahasuerus
- Ahaz
- Ahaziah
- Ahenobarbus
- Ahithophel
- Ahmad ibn Hanbal
- Ahmad Shah
- Ahmed I.
- Ahmed II.
- Ahmed III.
- Ahmedabad
- Ahmednagar
- Ahmed Tewfik
- Ahmed Vefik
- Ahom
- Ahr
- Ahrens, Franz Heinrich Ludolf
- Ahriman
- Ahrweiler
- Aht
- Ahtena
- Ahvaz
- Ai
- Aibonito
- Aicard, Jean François Victor
- Aichinger, Gregor
- Aickin, Francis
- Aidan (king)
- Aidan (bishop)
- Aide-de-Camp
- Aidin
- Aidone
- Aids
- Aigrette
- Aigues-Mortes
- Aiguille
- Aiguillette
- Aiguillon, Emmanuel Armand de Wignerod du Plessis de Richelieu
- Aiguillon, Marie Madeleine de Wignerod du Pont de Courlay
- Aigun
- Aiken
- Aikin, Arthur
- Aikin, John
- Aikman, William
- Ailanthus
- Ailly, Pierre D'
- Ailsa Craig
- Aimak
- Aimard, Gustave
- Aimoin
- Ain
- Ainger, Alfred
- Ainmuller, Maximilian Emmanuel
- Ainsworth, Henry
- Ainsworth, Robert
- Ainsworth, William Harrison
- Aintab
- Ainu
- Air (country)
- Air
- Airay, Henry
- Aird, Thomas
- Airdrie
- Aire (Landes)
- Aire (Pas-De-Calais)
- Air-Engine
- Airey, Richard Airey
- Air-Gun
- Airy, Sir George Biddell
- Aislabie, John
- Aisle
- Aisne
- Aïssé, Mademoiselle
- Aiton, William
- Aitzema, Lieuwe Van
- Aivali
- Aiwan
- Aix
- Aix-la-Chapelle
- Aix-la-Chapelle, Congresses of
- Aix-les-Bains
- Aiyar, Sir Sheshadri
- Aiyar, Sir Tiruvarur Mutuswamy
- Ajaccio
- Ajaigarh
- Ajanta
- Ajax (son of Oileus)
- Ajax (son of Telamon)
- Ajmere
- Ajmere-Merwara
- Ajodhya
- Akaba
- Aka Hills
- Akalkot
- Akbar, Jellaladin Mahommed
- Akcha
- Aken
- Akenside, Mark
- Akerman, John Yonge
- Akhaltsikh
- Ak-Hissar
- Akhmim
- Akhtal
- Akhtyrka
- Akka
- Akkad
- Akkerman
- Akmolinsk
- Akola
- Akron
- Ak-Shehr
- Aksu
- Akyab
- Ala
- Alabama
- "Alabama" Arbitration
- Alabama River
- Alabaster, William
- Alabaster
- Alacoque, Marguerite Marie
- Alagoas
- Alain de Lille
- Alais
- Alajuela
- Alamanni
- Alamanni, Luigi
- Alambagh
- Alameda
- Alamos de Barrientos, Baltasar
- Åland Islands
- Alani
- Alarcón, Hernando de
- Alarcón, Juan Ruiz de
- Alarcón, Pedro Antonio de
- Alard, Jean Delphin
- Alaric
- Alaric II.
- Ala-Shehr
- Alaska
- Alassio
- Alastor
- Ala-tau
- Alauna, Alaunus
- Álava, Don Miguel Ricardo de
- Álava
- Alb
- Alba
- Albacete (province)
- Albacete (town)
- Alba Fucens
- Alba Longa
- Alban, Saint
- Albani, Francesco
- Albani, Marie
- Albania (Caucasus)
- Albania (Balkans)
- Albanus Lacus
- Albanus Mons
- Albany, Dukes of
- Albany, Louise, Countess of
- Albany (river)
- Albany (Georgia)
- Albany (New York)
- Albany (Australia)
- Albategnius
- Albatross
- Albay
- Albedo
- Albemarle, Earls and Dukes of
- Albenga
- Alberoni, Giulio
- Albert (prince)
- Albert I. (Brandenburg)
- Albert III. (Brandenburg)
- Albert (prince consort)
- Albert I. (German king)
- Albert II. (German king)
- Albert I. (elector of Mainz)
- Albert (grand master)
- Albert III. (duke of Saxony)
- Albert (king of Saxony)
- Albert (landgrave of Thuringia)
- Albert (archduke)
- Albert (Madame)
- Albert of Aix
- Alberta
- Albert Edward Nyanza
- Alberti, Domenico
- Alberti, Leone Battista
- Albertinelli, Mariotto
- Albertite
- Albert Lea
- Albert Nyanza
- Albertus Magnus
- Alberus, Erasmus
- Albery, James
- Albi
- Albian
- Albigenses
- Albino
- Albinoni, Tomasso
- Albinovanus Pedo
- Albinus, Bernhard Siegfried
- Albion
- Albion (Michigan)
- Albion (New York)
- Albite
- Albo, Joseph
- Alboin
- Alboni, Marietta
- Albornoz, Gil Alvarez de
- Albrechtsberger, Johann Georg
- Albret
- Albright, Jacob
- Albuera, La
- Albufera de Valencia
- Albulae Aquae
- Albula Pass
- Album
- Albumazar
- Albumin
- Albuminuria
- Albuquerque, Alphonso d'
- Albuquerque
- Alburnum
- Albury
- Alcaeus
- Alcaics
- Alcalá
- Alcalá de Henares
- Alcalde
- Alcamenes
- Alcamo
- Alcantara
- Alcántara
- Alcavala
- Alcázar de San Juan
- Alcester, Frederick Beauchamp Paget Seymour
- Alcester
- Alcestis
- Alchemy
- Alciati, Andrea
- Alcibiades
- Alcidamas
- Alcinous (king)
- Alcinous (philosopher)
- Alcionio, Pietro
- Alciphron
- Alcira
- Alcmaeon
- Alcmaeonidae
- Alcman
- Alcmene
- Alcobaça
- Alcock, John
- Alcock, Sir Rutherford
- Alcoforado, Marianna
- Alcohol
- Alcohols
- Alcott, Amos Bronson
- Alcott, Louisa May
- Alcove
- Alcoy
- Alcuin
- Alcyone
- Aldabra
- Aldborough
- Aldeburgh
- Aldegrever
- Aldehydes
- Alden, John
- Alder
- Alder-fly
- Alderman
- Alderney
- Aldershot
- Aldhelm
- Aldine Press
- Aldini, Giovanni
- Aldred
- Aldrich, Henry
- Aldrich, Nelson Wilmarth
- Aldringer, Johann
- Aldrovandi, Ulissi
- Ale
- Aleandro, Girolamo
- Aleardi, Aleardo
- Ale-conner
- Alecsandri, Vasile
- Aleman, Louis
- Alemán, Mateo
- Alembert, Jean le Rond d'
- Alembic
- Alemtejo
- Alençon, Counts and Dukes of
- Alençon
- Alenio, Giulio
- Aleppo
- Ales, Alexander
- Alesia
- Alessandri, Alessandro
- Alessandria
- Alessi, Galeazzo
- Alethiology
- Aletrium
- Aleurites
- Aleutian Islands
- Alexander
- Alexander I
- Alexander II
- Alexander III
- Alexander (despot)
- Alexander (king)
- Alexander (popes)
- Alexander I (tsar)
- Alexander II (tsar)
- Alexander III (tsar)
- Alexander I (king of Scotland)
- Alexander II (king of Scotland)
- Alexander III (king of Scotland)
- Alexander (king of Servia)
- Alexander (rhetorician)
- Alexander, Archibald
- Alexander, Francis
- Alexander, George
- Alexander, Sir James Edward
- Alexander, John White
- Alexander, Joseph Addison
- Alexander, William
- Alexander, William Lindsay
- Alexander Aetolus
- Alexander Balas
- Alexander Cornelius
- Alexander Jannaeus
- Alexander Nevsky, Saint
- Alexander of Aphrodisias
- Alexander of Hales
- Alexander of Tralles
- Alexander Severus
- Alexander the Paphlagonian
- Alexanders
- Alexandersbad
- Alexandre, Noël
- Alexandretta
- Alexandria (Egypt)
- Alexandria (Indiana)
- Alexandria (Louisiana)
- Alexandria (Rumania)
- Alexandria (Scotland)
- Alexandrian School
- Alexandria Troas
- Alexandrine Verse
- Alexandrists
- Alexandrite
- Alexandropol
- Alexandrovsk
- Alexis
- Alexis, Willibald
- Alexisbad
- Alexius I
- Alexius II
- Alexius III
- Alexius V
- Alexius Mikhailovich
- Alexius Petrovich
- Alfalfa
- Alfani, Domenico
- Alfeld
- Alfieri, Vittorio
- Alford, Henry
- Alfred the Great
- Alfred Earnest Albert
- Alfred
- Alfreton
- Alfuros
- Algae
- Algardi, Alessandro
- Algaroth, Powder of
- Algarotti, Francesco, Count
- Algarve
- Algäu
- Algebra
- Algeciras
- Alger of Liege
- Alger, Russell Alexander
- Algeria
- Alghero
- Algidus Mons
- Algiers
- Alguazil
- Algum
- Alhama de Granada
- Alhambra, The
- Ali
- Ali Bey
- Ali Pasha
- Aliaga
- Alias
- Alibi
- Alicante (province)
- Alicante (capital)
- Alice Maud Mary
- Alidade
- Alien
- Alienation
- Alien-houses
- Alienist
- Aligarh
- Alignment
- Aliment
- Alimentary Canal
- Alimony
- Alin, Oscar Josef
- Alipur
- Aliquot
- Alirajpur
- Alismaceae
- Alison, Archibald
- Aliwal
- Aliwal North
- Alizarin
- Alkahest
- Alkali
- Alkali Manufacture
- Alkaline Earths
- Alkaloid
- Alkan, Charles Henri Valentin Morhange
- Alkanet
- Al Kasr al Kebir
- Alkmaar
- Allacci, Leone
- Allahabad
- Allamanda
- Allan, David
- Allan, Sir Hugh
- Allan, Sir William
- Alhan-Despreaux, Louise Rosalie
- Allantoin
- Alleghany
- Allegheny
- Allegiance
- Allegory
- Allegri, Gregorio
- Allegro
- Alleine, Joseph
- Alleine, Richard
- Allemande
- Allen, Ethan
- Allen, Grant
- Allen, James Lane
- Allen, John
- Allen, Thomas
- Allen, William
- Allen, William Francis
- Allen, Bog Of
- Allenstein
- Allentown
- Alleppi
- Allestree, Richard
- Alleyn, Edward
- All Fours
- Allia
- Alliance (city)
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- Alliaria Officinalis
- Allibone, Samuel Austin
- Allier (river)
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- Allies, Thomas William
- Allifae
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- Allingham, William
- Allison, William Boyd
- Alliteration
- Allium
- Allix, Pierre
- Allman, George James
- Alloa
- Allobroges
- Allocatur
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- Allodium
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- Allon, Henry
- Allonge
- Allophane
- Allori, Alessandro
- Allotment
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- Allotropy
- Allowance
- Alloxan
- Alloxantin
- Alloys
- Allport, Sir James Joseph
- Allport, Samuel
- All-round Athletics
- All Saints, Festival of
- All Souls' Day
- Allston, Washington
- Alluvion
- Alluvium
- Allyl Alcohol
- Alma
- Almacantar
- Almack's
- Almadén
- Almagro, Diego de
- Almanac
- Almandine
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- Alma-Tadema, Sir Laurence
- Alme
- Almeida, Dom Francisco de
- Almeida
- Almelo
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- Almería (province)
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- Almery
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- Almond
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- Almora
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- Almqvist, Karl Jonas Ludwig
- Alms
- Almshouse
- Almuce
- Alnage
- Alnwick
- Aloe
- Alöīdae
- Alompra, Aloung P'houra
- Alone
- Álora
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- Alp
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- Alpena
- Alpenhorn, Alphorn
- Alpes Maritimes
- Alpha
- Alphabet
- 'Al-phasi, Isaac
- Alphege, Saint
- Alpheus
- Alphonse I
- Alphonse
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- Alpini, Prospero
- Alps
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- 'Alqama Ibn 'Abada
- Alquifou
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- Alsace
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- Alsatia
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- 'Alshekh, Moses
- Alsietinus Lacus
- Alsium
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- Alsted, Johann Heinrich
- Alston, Charles
- Alston
- Alströmer, Jonas
- Altai
- Altamura
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- Altdorfer, Albrecht
- Alten, Sir Charles
- Altena
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- Altenstein
- Alternation
- Althaea
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- Altinum
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- Altmühl
- Alto
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- Altona
- Altoona
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- Altötting
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- Altwasser
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- Alum
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- Alunite
- Alur
- Alure
- Alva, Fernando Alvarez de Toldeo
- Alva
- Alvarado, Pedro de
- Alvarez, Francisco
- Alvarez, Don José
- Alvrez, Don Manuel
- Alvary, Max
- Alveary
- Alvensleben, Constantin von
- Alveolate
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- Alwar
- Alyattes
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- Amadís de Gaula
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- Amboise
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- Americus
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- Ames
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- Amir
- Amis et Amiles
- Amiternum
- Amlwch
- Amman, Johann Conrad
- Amman, Jost
- Amman, Paul
- Ammanati, Bartolomeo
- Ammianus, Marcellinus
- Ammirato, Scipione
- Ammon
- Ammon, Christoph Friedrich von
- Ammonia
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- Ammunition
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- Amoeba
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- Amontons, Guillaume
- 'Amora
- Amorites
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- Amortization
- Amory, Thomas
- Amos
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- Amoy
- Ampelius, Lucius
- Ampelopsis
- Ampère, André Marie
- Ampère, Jean Jacques
- Amperemeter
- Ampersand
- Amphiaraus
- Amphibia
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- Amphisbaena
- Amphitheatre
- Amphitrite
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- Ampliative
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- Ampsanctus
- Ampthill, Odo William Leopold Russell
- Ampthill
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- Amram
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- 'Amr-Ibn-El-Ass
- 'Amr-Ibn-Kulthūm
- Amritsar
- Amroha
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- Amsdorf, Nicolaus Von
- Amsler, Samuel
- Amsterdam (Holland)
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- Amuck, Running
- Amulet
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- Amygdalin
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- Amyl Alcohols
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- Amyot, Jacques
- Amyraut, Moses
- Ana
- Anabaptists
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- Anacoluthon
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- Anagnia
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- Anah
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- Analcite
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- Anamalai Hills
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- 'Anan Bed David
- Ānanda
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- Anantapur
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- Anastasius
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- Anastomosis
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- Anatoli, Jacob
- Anatolia
- Anatomy
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- Anazarbus
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- Ancelot, Jacques Arsène François Polycarpe
- Ancestor-Worship
- Anchises
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- Ancient Lights
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- Ancillon, Charles
- Ancillon, Johann Peter Friedrich
- Ancõn
- Ancon
- Ancona, Alessandro
- Ancona
- Ancren Riwle
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- Ancus Marcius
- Ancylopoda
- Ancyra
- Andalusia
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- Andaman Islands
- Andante
- Anderida
- Andernach
- Andersen, Hans Christian
- Anderson, Adam
- Anderson, Alexander
- Anderson, Sir Edmund
- Anderson, Elizabeth Garrett
- Anderson, James (Genealogist)
- Anderson, James (Agriculturist)
- Anderson, John
- Anderson, Mary
- Anderson, Richard Henry
- Anderson, Robert
- Anderson
- Andersonville
- Andes
- Andesine
- Andesite
- Andijan
- Andiron
- Andkhui
- Andocides
- Andorra
- Andover (Hampshire)
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- Andrada, Diego de Paiva de
- Andrada e Sylva, Bonifacio Joze d'
- Andrássy, Julius
- André, John
- Andrea, Giovanni
- Andrea del Sarto
- Andreani, Andrea
- Andree, Karl
- Andrée, Salomon August
- Andreini, Francesco
- Andréossy, Antoine-François
- Andrés, Juan
- Andrew
- Andrew II
- Andrew of Longjumeau
- Andrew, John Albion
- Andrewes, Lancelot
- Andrews, James Pettit
- Andrews, Thomas
- Andria
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- Andrieux, François Guillaume Jean Stanislas
- Andriscus
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- Andromeda
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- Andronicus I
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- Andronicus III
- Andronicus of Cyrrhus
- Andronicus of Rhodes
- Androphagi