Lidtke, V. (1980). Social class and secularisation in Imperial Germany: The working classes. Year Book / Leo Baeck Institute.
Lua i Stíl Chicago (17ú heag.)Lidtke, Vernon. "Social Class and Secularisation in Imperial Germany: The Working Classes." Year Book / Leo Baeck Institute 1980.
Lua MLA (8ú heag.)Lidtke, Vernon. "Social Class and Secularisation in Imperial Germany: The Working Classes." Year Book / Leo Baeck Institute, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.