Heydrick, C., Heebner, B., & Kriebel, R. (1879). Genealogical record of the descendants of the Schwenkfelders: Who arrived in Pennsylvania in 1733, 1734, 1736, 1737 / from the german of the Rev. Balthasar Heebner and from other sources by the Rev. Reuben Kriebel with an historical sketch by C. Heydrick. Yeakei.

Heydrick, C., Balthasar Heebner, и Reuben Kriebel. Genealogical Record of the Descendants of the Schwenkfelders: Who Arrived in Pennsylvania in 1733, 1734, 1736, 1737 / from the German of the Rev. Balthasar Heebner and from Other Sources by the Rev. Reuben Kriebel with an Historical Sketch by C. Heydrick. Manayunk, Pa.: Yeakei, 1879.

Heydrick, C., et al. Genealogical Record of the Descendants of the Schwenkfelders: Who Arrived in Pennsylvania in 1733, 1734, 1736, 1737 / from the German of the Rev. Balthasar Heebner and from Other Sources by the Rev. Reuben Kriebel with an Historical Sketch by C. Heydrick. Yeakei, 1879.