[S372] Schaefer Reunion Information, Hierholzer, E. J., (Group Sheet: Floresville, Texas), pp. 1-2, not dated.
[S20] DIE BREMERVERWANDTSCHAFT IN DEUTSCHLAND UND IN TEXAS, Robinson-Zwahr, Robert R. Jr., (Nortex Press, Wichita Falls, Texas, 1977), p. 1465, not dated.
[S6] NEW BRAUNFELS: THE FIRST FOUNDERS, VOL II, Fey, Everett Anthony, (Eakin Press, Austin, Texas, 1994, ISBN 0-89015-987-4, Vol. II The Genealogies), pp. 176, 184, not dated.
[S39] Philipp Schaefer Family for NEW BRAUNFELS: THE FIRST FOUNDERS from Melinda Birdsong, Birdsong, Melinda, (New Braunfels, Texas), [Schaefer pp. 6, 14], 29 Jun 1994.
[S371] Family Information from Dorothea Francis Scott, Dorothea Francis Scott, Corpus Christi, Texas, (Family Group Sheets, Letters, Genealogical charts), [Schaefer p. 58], 6 Apr 1988.
[S461] Family Information from Ruth Ann Schultze, Ruth Ann Schultze, Poteet, Texas, p. 8 [Voigt pp. 53-62], 20 Nov 1986.
Cites license #2501 Comal County. States marriage was performed by Rev. William Helmkamp.