Confirmation by the Japanese military administration Tsingtau of the return of 10,000 Yen to Johannes Müller (in Japanese) Zur Zwischenablage hinzufügen Do 99/489 Akt(e) 02.05.1922 Teil vonGerman Historical Museum Foundation In: German Historical Museum Foundation
Confirmations of the Japanese military administration in Tsingtau regarding the return of 10,000 and 893.72 yen to Johannes Müller (in Japanese) Zur Zwischenablage hinzufügen Do 99/490.1-3 Akt(e) 23.05.1922 (Do 99/490.1) Teil vonGerman Historical Museum Foundation In: German Historical Museum Foundation
