History of Science Society Dedicated to fostering interest and scholarly research in the history of science and its social and cultural relations. Site informs about the profession, teaching and research efforts, and society activities. Publishes the journal Isis.
Society for the History of Natural History International society devoted to the history of botany, zoology and geology, in the broadest sense, including natural history collections, exploration, art and bibliography.
The Royal Society - Library Library of the Royal Society of London, the premier British scientific institution since 1660. The library contains extensive resources for research in the history of science.