WIA GC/35113 | Warburg, Aby to Boll, Franz 08/11/1910 | [Franz] Stuhlmann, Kolonialinstitut, told him of an article by [Alfred] Maass on a wax calendar... |
WIA GC/3869 | Stuhlmann, Franz Ludwig to Warburg, Aby 02/11/1910 | turns his attention to the 'Zeitschrift für Ethnologie' and the article by Alfred Maass on a... |