Letter from Max Eckert and Siegfried Passarge to the Verband Deutscher Hochschullehrer für Geographie (Association of German University Teachers of Geography) Add to clipboard Heid. Hs. 3929 D III,14 File 1929/1930 Part of Heidelberg University Library In: Estate of Alfred Hettner (title) >> Hettner, Alfred: Correspondence (Title)