Biodiversity Heritage Library - Ongoing project sponsored by ten natural history museum libraries, botanical libraries, and research institutions. Digitized biology texts, journals, and guides.
Current Protocols - A series of books that strive to be an "authoritative, up-to-date, and comprehensive source for research methods and topical overviews" for the life sciences. Tables of contents and sample chapters available.
National Institute of Science Media - NISM is a leading publisher of study resources on the various branches of science. It aims to link educators and business leaders who want to encourage and mentor young adults in their career decisions.
Natural History Museum Publishing - Produces a wide range of natural history books and bulletins. Full catalog with online shopping.
Papers in Biomedical Sciences - Full text of original papers from the 19th century onwards that Donald Forsdyke deems critical to the understanding of some major problems in the biomedical sciences.