Pennebaker, W. B. (1978). The Pennsylvania second state tax of 1779: How it was shared by the property owners of Bucks County, part I : a contemporary manuscript record of Bucks County's Revolutionary War era. Hartsville, Pa.: W.B. Pennebaker.

Pennebaker, William B. The Pennsylvania Second State Tax of 1779: How It Was Shared By the Property Owners of Bucks County, Part I : A Contemporary Manuscript Record of Bucks County's Revolutionary War Era. Hartsville, Pa.: W.B. Pennebaker, 1978.

Pennebaker, William B. The Pennsylvania Second State Tax of 1779: How It Was Shared By the Property Owners of Bucks County, Part I : A Contemporary Manuscript Record of Bucks County's Revolutionary War Era. Hartsville, Pa.: W.B. Pennebaker, 1978.