The ***Encyclopædia Britannica*** **Eleventh Edition** (1910–1911) is one of the most famous editions of the *Encyclopædia Britannica*. Some of its articles were written by the best-known scholars of the time. The articles are still of value and interest to modern scholars as examples for the knowledge of the 19th and early 20th centuries. They contain, however, a number of problematic areas for the modern scholar using them as a source. The eleventh edition is no longer restricted by copyright and is available online, both in its original text and in part in other online encyclopaedias and works.

Background
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The 1911 eleventh edition was assembled under the leadership of American publisher Horace Everett Hooper, and edited by Hugh Chisholm. American marketing methods assisted sales. Some 11% of the contributors were American, and a New York office was established to run that side of the enterprise.

Some articles were written by the best-known scholars of the day, such as Edmund Gosse, J. B. Bury, Algernon Charles Swinburne, John Muir, Prince Peter Kropotkin, T. H. Huxley, G. K. Chesterton, Edmund Husserl and William Michael Rossetti, and others well known to that era.

The eleventh edition introduced a number of changes to the format of the *Britannica*. It was the first to be published complete, instead of the previous method of volumes being released as they were ready. The content of the encyclopaedia was made up as follows:

| Subject | Content |
| --- | --- |
| Geography | 29% |
| Pure and applied science | 17% |
| History | 17% |
| Literature | 11% |
| Fine art | 9% |
| Social science | 7% |
| Psychology | 1.7% |
| Philosophy | 0.8% |

The eleventh edition has become a commonly quoted source because of the reputation of the *Britannica* at that time and because it is now in the public domain and has been made available on the Internet. The *Encyclopædia Britannica* of 1911 has been used as a source for many modern projects, such as Wikipedia and the *Gutenberg Encyclopedia*.

*Gutenberg Encyclopedia*
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The *Project Gutenberg Encyclopedia* is actually the eleventh edition of the *Encyclopædia Britannica*, renamed to address Britannica's trademark concerns. 

| Section | *From* |  | *To* | Links |
| --- | --- | --- | --- | --- |
| Volume 1:   | *A* |   –   | *Androphagi* |  |
| Volume 2.1.1:   | *Andros, Sir Edmund* |   –   | *Anise* |  |
| Volume 4.3:   | *Bréquigny* |   –   | *Bulgaria* |  |
| Volume 4.4:   | *Bulgaria* |   –   | *Calgary* |  |
|

Other websites
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Wikisource has original writing related to this article:
**1911 Encyclopædia Britannica**

### Free, public-domain resources

* Full-page scans in *tiff* format, at Tim Starling's Wikisource page. Probably requires the AlternaTiff plugin. In particular, see:
	+ In Volume 1, the "Prefatory Note" and "Editorial Introduction," which discuss the history and objectives of the edition. (These, and the different Prefatory Note from the Handy Volume edition of 1915, are also included in the Wikisource 1911 Encyclopædia Britannica.)
	+ The article on Encyclopaedia
* Project Gutenberg Volume I
* The Project Gutenberg Volume II

### Articles about the Encyclopædia Britannica Eleventh Edition

* 'Information ... Slightly Coloured by Prejudice', by Lawrence Biemiller, *The Chronicle of Higher Education*, Notes From Academe, Volume 52, Issue 47, Page A40. (No longer available on-line).
* "Music and art in the 1911 Encyclopædia Britannica" by Charles T. Downey (Ionarts, 25 August 2006)