» 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.
   http://www.currentprotocols.com/

» Natural History Museum Publishing
   Produces a wide range of natural history books and bulletins. Full catalog with online shopping.
   http://www.nhm.ac.uk/services/publishing/

» 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.
   http://post.queensu.ca/~forsdyke/homepage.htm