The Nobel Prize website presents the lectures and autobiographies of all Nobel Prize winners, including many who were awarded prizes for advances in microbiology.
The National Center for Biotechnology Information (NCBI) provides free access to all published genome sequences.
The CDC (Centers for Disease Control and Prevention), in Atlanta, is the U.S. agency for medical information and epidemiology.
List of Prokaryotic names with Standing in Nomenclature includes, alphabetically and chronologically, the nomenclature of prokaryotes and the nomenclatural changes as cited in the Approved Lists of Bacterial Names or validly published in the International Journal of Systematic Bacteriology (IJSB) or in the International Journal of Systematic and Evolutionary Microbiology (IJSEM).
From the ASM website: "The American Society for Microbiology is the oldest and largest single life science membership organization in the world. Membership has grown from 59 scientists in 1899 to more than 43,000 members today, with more than one third located outside the United States. The members represent 26 disciplines of microbiological specialization plus a division for microbiology educators."