Zundel, W. A., & Ruff, P. M. (1997). History of Old Zion Evangelical Lutheran Church: In Hempfield Township, Westmoreland County, Pennsylvania, near Harrold's : (now the Harrold Zion Evangelical Lutheran Church, from the merger of Old Zion and Hempfield Zion Lutheran Churches in 1955[)]. [Greensburg, Pa.?]: Baltzer Meyer Historical Society.

Zundel, William Arter, and Paul Miller Ruff. History of Old Zion Evangelical Lutheran Church: In Hempfield Township, Westmoreland County, Pennsylvania, Near Harrold's : (now the Harrold Zion Evangelical Lutheran Church, From the Merger of Old Zion and Hempfield Zion Lutheran Churches in 1955[)]. [Greensburg, Pa.?]: Baltzer Meyer Historical Society, 1997.

Zundel, William Arter, and Paul Miller Ruff. History of Old Zion Evangelical Lutheran Church: In Hempfield Township, Westmoreland County, Pennsylvania, Near Harrold's : (now the Harrold Zion Evangelical Lutheran Church, From the Merger of Old Zion and Hempfield Zion Lutheran Churches in 1955[)]. [Greensburg, Pa.?]: Baltzer Meyer Historical Society, 1997.