Toepfer, Karl. 1997. Empire of Ecstasy. Nudity and Movement in German Body Culture, 1910–1935. Berkeley, Lontoo & Los Angeles: University of California Press.
Toepfer, Karl. 1997. Empire of Ecstasy. Nudity and Movement in German Body Culture, 1910–1935. Berkeley, Lontoo & Los Angeles: University of California Press.