Peel 5020: Photogelatine Engraving Company. Calgary, Alberta, Canada: Alberta's commercial metropolis, gateway to the Rockies. Ottawa: Photogelatine Engraving Company, 1925?. .
Peel 5020: Photogelatine Engraving Company. Calgary, Alberta, Canada: Alberta's commercial metropolis, gateway to the Rockies. Ottawa: Photogelatine Engraving Company, 1925?. .