Wolforth, T., Simon, M., Bareis, C. J. 1., Biggers, J. P., & Walthall, J. A. (1989). Archaeological investigations at the Wilderman Site (11-S-729), St. Clair County, Illinois. [Ill.?]: Resource Investigation Program.

Wolforth, Thomas., Mary Simon, Charles J. 1929- Bareis, J. Paul Biggers, and John A. Walthall. Archaeological Investigations At the Wilderman Site (11-S-729), St. Clair County, Illinois. [Ill.?]: Resource Investigation Program, 1989.

Wolforth, Thomas., et al. Archaeological Investigations At the Wilderman Site (11-S-729), St. Clair County, Illinois. [Ill.?]: Resource Investigation Program, 1989.