1.   Title: Handpainted Landscape
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: NYK Line M.S. "Asama Maru"
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds