Wilhelm, K. (1958). An early nineteenth-century Frankfurt benevolent society. East and West Library.
Lua i Stíl Chicago (17ú heag.)Wilhelm, Kurt. An Early Nineteenth-century Frankfurt Benevolent Society. London: East and West Library, 1958.
Lua MLA (8ú heag.)Wilhelm, Kurt. An Early Nineteenth-century Frankfurt Benevolent Society. East and West Library, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.