Encyclopædia Britannica

The Encyclopædia Britannica (Latin for “British Encyclopaedia”) is a general knowledge English-language encyclopaedia which is now published exclusively as an online encyclopaedia. It was formerly published by Encyclopædia Britannica, Inc., and other publishers (for previous editions). It was written by about 100 full-time editors and more than 4,000 contributors. The 2010 version of the 15th edition, which spans 32 volumes and 32,640 pages, was the last printed edition.