Azotobacter.org: Information regarding the on-going sequencing and annotation of the Azotobacter vinelandii genome.
Bacterial Nomenclature: A place to find out the most current name for a bacterium.
Introduction to the Bacteria: Topics include morphology, systematics, life history and ecology, and the fossil record.
List of Bacterial Names with Standing in Nomenclature: Alphabetically and chronologically arranged lists of taxa, with additional information on bacterial taxonomy.