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The journal found just eight serious errors, such as general misunderstandings of vital concepts: four from each site. It also discovered many factual errors, omissions or misleading statements: 162 in Wikipedia and 123 in Britannica, an average of 3.86 mistakes per article for Wikipedia and 2.92 for Britannica. [102] [104]
Britannica acquired Merriam-Webster in 1964 and Compton's Encyclopedia as well in the early 1960s. [3] [4] Benton died in 1973, before the fifteenth edition was published in 1974. The newly titled Britannica 3 was composed of a ten-volume Micropædia, a 19-volume Macropædia and a one-volume guide to the encyclopædia's use, called Propædia.
Britannica's Outline of Knowledge was created for the 15th edition of the Encyclopaedia Britannica, prior to the rest of the encyclopedia, as a plan from which to base topic coverage on – to shape it before it was built. It served initially to ensure quality, and once the encyclopedia was completed, as a topical guide.
Advertisement for Encyclopædia Britannica, 1913. The Encyclopædia Britannica has been published continuously since 1768, appearing in fifteen official editions. Several editions have been amended with multi-volume "supplements" (third, fifth/sixth), consisted of previous editions with added supplements (10th, and 12th/13th) or gone drastic re-organizations (15th).
Wikipedia is a free content, multilingual online encyclopedia written and maintained by a community of volunteer contributors, known as Wikipedians, through a model of open collaboration. It is the largest and most-read reference work in history. [10] Wikipedia originally developed from another encyclopedia project called Nupedia. [11]
Site news – Sources of news about Wikipedia and the broader Wikimedia movement. Teahouse – Ask basic questions about using or editing Wikipedia. Help desk – Ask questions about using or editing Wikipedia. Reference desk – Ask research questions about encyclopedic topics. Content portals – A unique way to navigate the encyclopedia.
With the English Wikipedia now having more than six million articles, it is already well over twenty times the size of what was previously the world's largest encyclopedia (the largest edition of the Encyclopædia Britannica, which contains 65,000 articles). With each new article, information is becoming more accessible than it ever has before.
Encyclopaedia Britannica, 15th edition. The one-volume Propædia is the first of three parts of the 15th edition of Encyclopædia Britannica, intended as a compendium and topical organization of the 12-volume Micropædia and the 17-volume Macropædia, which are organized alphabetically.