Astor, John Jacob

Astor, John Jacob may refer to:

• articles in The American Cyclopædia (1879):
  • "Astor, John Jacob," in The American Cyclopædia (1879)
• articles in Encyclopædia Britannica, Ninth Edition
• "Astor, John Jacob," in Encyclopædia Britannica, Ninth Edition (1875–1889)
• articles in The Encyclopedia Americana (1920)
  • "Astor, John Jacob (capitalist)," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)
  • "Astor, John Jacob (inventor)," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)
  • "Astor, John Jacob (merchant)," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)
• articles in The New International Encyclopædia
  • "Astor, John Jacob (capitalist)," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
  • "Astor, John Jacob (merchant)," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
• articles in Collier's New Encyclopedia (1921)
  • "Astor, John Jacob (capitalist)," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
  • "Astor, John Jacob (merchant)," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• articles in 1911 Encyclopædia Britannica
  • "Astor, John Jacob," in Encyclopædia Britannica (11th ed., 1911)
• articles in The New Student's Reference Work
  • "Astor, John Jacob," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• articles in Appletons' Cyclopædia of American Biography
  • "Astor, John Jacob," in Appletons' Cyclopædia of American Biography, New York: D. Appleton and Co. (1891)
  • "Astor, John Jacob (capitalist)," in Appletons' Cyclopædia of American Biography, New York: D. Appleton and Co. (1891)