Encyclopædia Britannica

Written by

Michael LevyAll

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Britannica Editors

Last updated

Oct. 28, 2026 •History

The 10th edition (1902–03) was made by the addition of an 11-volume supplement to the ninth, numbering the supplementary volumes where the ninth left off, from 25 to 35. The 34th volume was an atlas of more than 120 maps with a gazetteer, and the 35th volume contained a combined index to the 34 volumes, a combined list of contributors, and a key to the abbreviated symbols used as signatures to the articles in which...