author = { Humboldt, Caroline von AND Welcker, Friedrich Gottlieb Sander-Rindtorff, Erna },

title = { Karoline von Humboldt und Friedrich G. Welcker Briefwechsel 1807 - 1826 },

publisher = {Roehrscheid},

year = {1936},

abstract = {In Fraktur},

address = { Bonn },

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