b.b.: The Black Book of Carmarthen = p 1, end of 12th cent. Ed. by J. Gwenogvryn Evans. Pwllheli 1906.
b.ch.: The Black Book of Chirk = p 29 = a.l. ms. a., circa 1200. Quotations taken from the orig. ms. (Quotations from a.l. are referred to the latter.)
b.cw.: Gweledigaetheu y Bardd Cwsc. [By Ellis Wynne]. Llundain 1703. Reprint ed. by J. Morris Jones, Bangor 1898.
br.: Y Brython. i Weekly; ii–iv Monthly; v Quarterly. Tremadoc 1858–63. [Contains old cywyddau etc.]
†b.s.ch: The Book of St. Chad. 9th cent. entries in W., see Lindsay EWS. 1–6; transcribed (with facsimiles) in l.l. pp. xliii–xlviii; ref. to nos. of entries ib.
b.t.: The Book of Taliessin = p 2, circa 1275; ref. to the edn. about to be published by Dr. Gwenogvryn Evans.
c. i and c. ii: Ceinion Llenyddiaeth Gymreig… Dan olygiad y Parch. Owen Jones. 2 vols. London 1876.
c.b.y.p.: Cyfrinach Beirdd Ynys Prydain.…Dan olygiad…Iolo Morganwg. Abertawy (Swansea) 1829.
c.c.: The Cefn Coch MSS.…Ed. by the Rev. J. Fisher. Liverpool 1899. [Late 16th and 17th cent.; mostly poetry.]
c.g. Cant o Ganeuon. Gan John Ceiriog Hughes. Wrexham [1863].
c.Ỻ.: Cynfeirdd Lleyn: 1500–1800…Cynnulledig…gan J. Jones (Myrddin Fardd). Pwllheli 1905.
c.m.: Ystorya de Carolo Magno. From the Red Book of Hergest. Ed. by Thomas Powell. Cymmrod. Soc. 1883.
†cp.: Fragment of an Old Welsh Computus. 23 lines [10th cent.]. Fac., transcr. and transl. by E. C. Quiggin. ZfCP. viii 407–10. Ref. to lines.
cy.: Reproductions in Y Cymmrodor.
d.: Quoted in D., see under IV.
d.g.: By G.Gr. etc., printed in D.G.; see under V.
d.p.o.: Drych y Prif Oesoedd…Gan Theophilus Evans…²Mwythig (Shrewsbury) [1740]. Reprint ed. by Samuel J. Evans…Bangor 1902.
d.t.: Diddanwch Teuluaidd: neu Waith Beirdd Mon…²Caernarfon 1817.
e.: Egluryn Phraethineb…Gan Mr. William Salesbury, a…Mr. Henri Perri…Lhundain 1595; ³Llanrwst 1829. Ref. to chapters.
e.g.: Eos Gwynedd…Gan.. John Thomas, Pentre’r Foelas. Dan olygiaeth G. Caledfryn. Llanrwst [1845].
e.p.: Quoted in E.P.; see under V.
f.: Flores Poetarum Britannicorum…O gasgliad J[ohn] D[avies] SS. Th. D.…Mwythig (Shrewsbury) 1710.
f.n.: Y Flodeugerdd, Newydd. Casgliad o gywyddau…Wedi eu golygu gan W. J. Gruffydd. Cardiff 1909. [Early Mn. verse.]
g.: Gorchestion Beirdd Cymru…O Gasgliad Rhys Jones…Amwythig (Shrewsbury) 1773. [Early Mn. verse.]