Pfund, H. W. (1944). A History of the German Society of Pennsylvania. German Society of Pennsylvania.
Chicago-viite (17. p.)Pfund, Harry W. A History of the German Society of Pennsylvania. Philadelphia: German Society of Pennsylvania, 1944.
MLA-viite (8. p.)Pfund, Harry W. A History of the German Society of Pennsylvania. German Society of Pennsylvania, 1944.
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