1.   Title: Nippon Yusen Kaisha, s.S. "Awa Maru."
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
2.   Title: Nippon Yusen Kaisha S.S. "Sanuki Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
3.   Title: Nippon Yusen Kaisha S.S. "Tamba Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
4.   Title: Nippon Yusen Kaisha S.S. "Tamba Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
5.   Title: Nippon Yusen Kaisha S.S. "Tamba Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
6.   Title: NYK Line M.S. "Asama Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
7.   Title: NYK S.S. "Kitano Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
8.   Title: The Tange-Lashley Co.
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds