Sources in Print

1.  Biundo, Georg, transcribed by Ethel C. Phillips, edited by Dennis Kastens.  Annweiler Families 1477 bis 1927. [FHL 943.3/A4 D2b vols. 1-6].

2.  Guth, Hermann. "The Güngerichs of Pfalzhof, Germany," in Mennonite Family History 7:1:4. (Jan. 1988).

3.  Stufflebean, Linda. John Whitmer [born in Barbelroth] of Maryland, Virginia and Kentucky. Includes information on Holtz family.  [ FHL online book]

4. Kastens, Dennis A. Bad Bergzabern residents -1616.[FHL 943.3/B13 D2K]. 

5. Bad Bergzabern Residents Prior to 1616 in The Palatine Immigrant  Vol. 18. 

6. Johnson, Baerbel. The foreign colony in Billigheim and the surrounding area. 

7. Family lineage book for Birkenhödt, Böllenborn, Blankenborn and Reisdorf, Bayern, Germany. [FHL 943.3 D2d].

8. Yoder, Dan. Pennsylvania German Immigrants 1709-1786. Includes "A List of German Immigrants to the American Colonies from Zweibrücken in the Palatinate 1728-1749 edited by William John Hinke.