Microbiology

Big Picture Book of Viruses, The - The Big Picture Book of Viruses is both a catalog of virus pictures on the Internet and an educational resource for those seeking more information about viruses.
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) The NIDDK Image Library is a searchable database of original full-color and black-and-white illustrations produced by the NIDDK Information Clearinghouses that are available copyright free to the public.