TSS Statendam, the ship with which Otto Bettmann arrived in the United States in 1935Postcard of the TSS Statendam, the ship with which Otto Bettmann arrived in the United States in 1935
Unwanted: European Refugees in the Twentieth CenturyCreated By: Marrus, Michael R Publisher: New York: Oxford University Press, 1985
Vor der grossen Flut: Die Europaische Migration in die Vereinigten Staaten von Amerika 1783-1820Created By: Grabbe, Hans-Jürgen Publisher: Stuttgart: Steiner Verlag, 2001
William KleinCreated By: Cyclopedia of American Biography Source/Publisher: Cyclopedia of American Biography. New York: James T. White, 1892–1984
With the Makers of San Antonio, Genealogies of the Early Latin, Anglo-American, and German families with Occasional Biographies, Each Group Being Prefaced with a Brief Historical Sketch and IllustrationsCreated By: Chabot, Frederick Publisher: San Antonio: Artes Graficas, 1937
Years of Extermination, 1939–1945, Vol. 2 of Nazi Germany and the JewsCreated By: Friedländer, Saul Publisher: New York: Harper Collins, 2007
