History of Science, Mathematics & Technology: Primary Sources: Evolution & Natural Science

A digital edition and virtual reconstruction of the surviving books owned by Charles Darwin.

Read and search the full texts of more than 7,000 of Charles Darwin’s letters, and find information on 8,000 more. Available here are complete transcripts of all known letters Darwin wrote and received up to the year 1868.

This website presents a selection of primary source materials documenting the statewide debate over the teaching of evolution in public schools in the 1920s.

A collection of letters and manuscripts of Swedish scientist Carl Linnaeus

Utilizing over 300 scanned documents, photographs, audio clips and video excerpts, this website narrates the breathless details of the pursuit of the discovery of the double helix structure of DNA.

This collection includes forty-six research notebooks spanning the years of 1922 to 1994 and covering any number of the scientific fields in which Dr. Pauling involved himself

Approximately 10,000 manuscript pages, including correspondence, principally letters received, and also reports, invoices and accounts, journals, plus a small quantity of maps, charts and watercolours.

Search sources commenting on, developing and demolishing Piltdown Man

The collection of over 5,000 items includes ‘personal and related family papers, correspondence, accounts of expenditure, publishers’ proofs, reprints, photographs, certificates, pamphlets, press cuttings, lecture notes and obituaries’