Grimmer-Solem, E. (2007). "Every True Friend of the Fatherland": Gustav Schmoller and the "Jewish Question" 1916-1917 / Erik Grimmer-Solem. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)Grimmer-Solem, Erik. ""Every True Friend of the Fatherland": Gustav Schmoller and the "Jewish Question" 1916-1917 / Erik Grimmer-Solem." Year Book / Leo Baeck Institute 2007.
MLA-referens (8:e uppl.)Grimmer-Solem, Erik. ""Every True Friend of the Fatherland": Gustav Schmoller and the "Jewish Question" 1916-1917 / Erik Grimmer-Solem." Year Book / Leo Baeck Institute, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.