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Only this site contains Darwin's complete publications, 20,000 private papers, the largest Darwin bibliography, manuscript catalogue and hundreds of supplementary works: specimens, biographies, obituaries, reviews, reference works and much more.

Almost all is online only here: all editions of Origin of Species (1st, 2d, 3d, 4th, 5th, 6th); Voyage of the Beagle, Zoology, Descent of Man; Beagle diary, Beagle notebooks, Journal, evolution notebooks and Autobiography.

Forthcoming: editions, translations, introductions, manuscripts and more.

See Darwin's notes on marriage here.

See also: Darwin Correspondence.

Darwin Online is the world's most widely used Darwin resource with over 60 million hits since October 2006.