By A Mystery Man Writer
Darwin on marriage Darwin Correspondence Project
Darwin, Charles, A fine series of letters on tailless dogs and rare carnivorous plants, Age of Wonder, 2022
In Darwin's Own Words: Creationist Quote-Mining Exposed
The Wallace Correspondence Project: Insights into a Remarkable Life
Charles Darwin Letters - UBC Library Open Collections
Charles Darwin - Evolution - Darwin Correspondence Project - Cambridge University - Origin of Species - The New York Times
Darwin Correspondence Project – RIDE
Education Collections · George Washington's Mount Vernon
Letters as a Primary Source Darwin Correspondence Project
Darwin's species notebooks: 'I think . . .
Spotlight on a correspondent: William Winwood Reade
Darwin's Letter to Marsh, American Experience, Official Site
Darwin, Charles, A fine series of letters on tailless dogs and rare carnivorous plants, Age of Wonder, 2022