Encyclopaedia Britannica

The Encyclopædia Britannica Latin for British Encyclopaedia is a general knowledge English-language encyclopaedia which is now published exclusively as an online encyclopaedia. The 2010 version of the 15th edition, which spans 32 volumes and 32,640 pages, was the last printed edition. Printed for 244 years, the Britannica was the longest running in-print encyclopaedia in the English language. It was first published between 1768 and 1771 in the Scottish capital of Edinburgh, as three volumes. Since the 3rd edition, the Britannica has enjoyed a popular and critical reputation for general excellence