Cowan Michael J. 1971- Cult Of The Will : Nervousness And German Modernity / Michael Cowan. - University Park Pa. : Pennsylvania State University Press C2008. - IX 343 P. : ILL. 24 CM. - 0 . ENG ISBN: 9780271032061 (Cloth : Alk. Paper) 0271032065 (Cloth : Alk. Paper)