Mycobacterium tuberculosis
- Ashley Millard provides information on the organism responsible for tuberculosis, its characteristics, classification and adaptations, and information on the disease itself and its diagnosis.
- http://acadweb.uwlax.edu/07Spring/SAH/BIO203/millard_ashl/

Mycobacterium marinum
- Information on this bacterium which infects fish, its signs, diagnosis and treatment.
- http://www.provet.co.uk/health/diseases/mycobacteriummarinum.htm

Actinobacteria
- Information from Wikipedia on this group of gram-positive bacteria.
- http://en.wikipedia.org/wiki/Actinobacteria