Encyclopædia Britannica
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The Encyclopædia Britannica is a general-knowledge English-language encyclopaedia. It has been published since 1768 and, after several ownership changes, is currently owned by Encyclopædia Britannica,
The title page of the first edition of the Encyclopædia Britannica, published in 1768–71
The early 19th-century editions of Encyclopædia Britannica included influential, original research such as Thomas Young's article on Egypt, which included the translation of the hieroglyphs on the Rosetta Stone (pictured).
An advertisement for the 11th edition, published in the May 1913 issue of National Geographic
A wooden shipping crate for the 14th edition of the Britannica
Collier's Encyclopedia
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Collier's Encyclopedia is a discontinued general encyclopedia first published in 1949 by P. F. Collier and Son in the United States. With Encyclopedia Americana and Encyclopædia Britannica, Collier's
Encyclopædia Britannica
…Ephraim Chambers and, soon thereafter, Rees's Cyclopædia and Coleridge's Encyclopædia Metropolitana. In the 20th century, successful competitors included Collier's Encyclopedia, the Encyclopedia Americana, and the World Book Encyclopedia. Nevertheless, from the 9th edition onwards, the Britannica was widely considered to have…
The encyclopedia in a German library, 2011
Collier's encyclopedia on a book shelf