author = { Nietzsche, Friedrich Fuss, Peter AND Shapiro, Henry AND Gersdorff, Carl von AND Deussen, Paul AND Wagner, Richard AND Nietzsche, Friedrich },

title = { Nietzsche a self-portrait from his letters },

publisher = {Harvard University Press},

isbn = {0674624254},

year = {1971},

address = { Cambridge, Mass. },

url = { http://slubdd.de/katalog?TN_libero_mab2 }