Williams, R. T., Williams, M. C., & Brittingham, J. R. (1987). Transcript tax of Bucks County, Pennsylvania, 1779: Transcribed and alphabetically arranged from the Pennsylvania archives, Series 3, volume xiii (Rev. and repr. in 1987.). [Pennsylvania]: Will-Britt Books.

Williams, Richard T., Mildred C. Williams, and Janet R. Brittingham. Transcript Tax of Bucks County, Pennsylvania, 1779: Transcribed and Alphabetically Arranged From the Pennsylvania Archives, Series 3, Volume Xiii. Rev. and repr. in 1987. [Pennsylvania]: Will-Britt Books, 1987.

Williams, Richard T., Mildred C. Williams, and Janet R. Brittingham. Transcript Tax of Bucks County, Pennsylvania, 1779: Transcribed and Alphabetically Arranged From the Pennsylvania Archives, Series 3, Volume Xiii. Rev. and repr. in 1987. [Pennsylvania]: Will-Britt Books, 1987.