1.   Title: "Dinosaur Bones - Drumheller, Alta"
Institution: University of Regina Archives and Special Collections
Fonds/Collection: Theodore Allen Heinrich fonds
2.   Title: "Dolomites - Drumheller Alta"
Institution: University of Regina Archives and Special Collections
Fonds/Collection: Theodore Allen Heinrich fonds
3.   Title: "'Hoodoos' - Drumheller Alberta"
Institution: University of Regina Archives and Special Collections
Fonds/Collection: Theodore Allen Heinrich fonds