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- [S406] Family Information from Hilda Voigt Zimmermann, Hilda Voigt Zimmermann, Marion, Texas, [Voigt p. 19], 2 Nov 1986.
- [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. 185.
- [S39] Philipp Schaefer Family for NEW BRAUNFELS: THE FIRST FOUNDERS from Melinda Birdsong, Birdsong, Melinda, (New Braunfels, Texas), [Schaefer pp. 9, 11], 29 Jun 1994.
- [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, 185, 2 Nov 1986.
- [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. 185, 29 Jun 1994.
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