* Iron Leaves No. 10 - Tsingtau* Tsingtau Add to clipboard Do 55/382.20 File nach 07.11.1914 Part of German Historical Museum Foundation In: German Historical Museum Foundation C.L. Krüger GmbH
* Mocking chauvinistic poem on World War I* Cultural carrier / Think of Tsingtau! Add to clipboard Do 69/574 I File 1915 Part of German Historical Museum Foundation In: German Historical Museum Foundation Herting, Eugen