- Frontier and pioneer life--Pictorial works10
- Landscape photography10
- Rock formations--Colorado--El Paso County10
- Funeral rites and ceremonies--Pictorial works9
- Comanche Indians--Pictorial works8
- Indians of North America --Pictorial works6
- Dakota Indians--Portraits.5
- Delegates.5
- Railroad construction workers --Oregon --Pictorial works5
- Railroad stations--Pictorial works.5
- Railroads --Oregon --Design and construction --Pictorial works5
- California--Pictorial works4
- Dakota Indians--Pictorial works4
- Horses--Pictorial works4
- Men.4
- Military scouts--Portraits.4
- Parades--Pictorial works4
- Pawnee Indians--Portraits4
- Rock formations--Black Hills (S.D. and Wyo.)--Pictorial works4
- Arapaho Indians--Portraits3