Wilhelm, K. (1958). An early nineteenth-century Frankfurt benevolent society. East and West Library.
Chicago-referens (17:e uppl.)Wilhelm, Kurt. An Early Nineteenth-century Frankfurt Benevolent Society. London: East and West Library, 1958.
MLA-referens (8:e uppl.)Wilhelm, Kurt. An Early Nineteenth-century Frankfurt Benevolent Society. East and West Library, 1958.
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