[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), p. 184.
[S39] Philipp Schaefer Family for NEW BRAUNFELS: THE FIRST FOUNDERS from Melinda Birdsong, Birdsong, Melinda, (New Braunfels, Texas), [Schaefer pp. 7, 14], 29 Jun 1994.
[S565] DESCENDANTS OF WILHELM "WILLIE" AUGUST CARL FROBOESE, Smoot, Charlene Froboese, (privately printed; San Antonio, Texas), p. 1 [Scheafer pp. 48-50], 8 Jun 1997.
[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, 8 Jun 1997.
[S425] Family Information from Charlene Froboese Smoot, Charlene Froboese Smoot, (Family Group Sheet), [Schaefer p. 84], 26 Oct 1997.