1.   Title: Handpainted Landscape
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
2.   Title: Japanese seaside scene
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
3.   Title: Landscape
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
4.   Title: Silhouette of Woman
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds