Websites:

http://ponderosa_pine.uoregon.edu/students/Elder/menu.html

http://utmmg.med.uth.tmc.edu/treponema/tpall.back

Text books:

Abigail A. Salyers and Dixie D. Whitt, Bacterial Pathogenesis, ASM Press, Washington, D.C., 1994.

Prescott, Harley and Klein, Microbiology, 4ed. WCB McGraw-Hill, Boston, 1999.

Ronald Atlas, Principles of Microbiology, 2ed. W.C. Brown Publishers, Boston, 1997.

Journals:

Radolf, Justin D., Steiner, Bret and Shevchenko, Dimitriy. "Treponemea pallidum: doing a remarkable job with what it's got", Trends in Microbiology, v7 no.1, January, 1999.

Fraser, Claire M. et al., "Complete Genome Sequence of Treponema pallidum, the Syphilis Spirochete", Science. v.281, July 17, 1998. p. 375-388.