@book{Loeper, author = {Loeper, G. von}, title = {Goethe's s{\"a}mmtliche Werke. 11-13 Theil, Berlin (Ferd. D{\"u}mmlers Verlagsbuchhandlung) 1872.}, language = {de} } @book{Loeper, author = {Loeper, G. von}, title = {Goethe's Werk. Vierter Theil. Gedichte, Berlin (Ferd. D{\"u}mmlers Verlagsbuchhandlung) 1872.}, language = {de} }