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 - [Mt. Fuji]
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds
4.   Title: "Loving Christmas Wishes"
Institution: Archives of the Humboldt and District Museum and Gallery
Fonds/Collection: Photograph Collection
5.   Title: Silhouette of Woman
Institution: University of Saskatchewan Archives
Fonds/Collection: Hans Gruen fonds