Trinkle, Denis A. and Scott A. Merriman, eds. The U.S. History Highway: a guide to internet resources. New York: M. E. Sharpe, Inc., 2002.

Trinkle, Denis A. and Scott A. Merriman, eds. The European History Highway: a guide to internet resources. New York: M. E. Sharpe, Inc., 2002.

Trinkle, Denis A. and Scott A. Merriman, eds. The History Highway 3.0: a guide to internet resources. 3rd ed. New York: M. E. Sharpe, Inc., 2002.