- Cavalry11
- Frontier and pioneer life--Pictorial works10
- Landscape photography10
- Rock formations--Colorado--El Paso County10
- Dakota Indians.9
- Funeral rites and ceremonies--Pictorial works9
- Indians of North America --Pictorial works9
- Irrigation --Idaho --Pictorial works9
- Comanche Indians--Pictorial works8
- Canals --Idaho --Pictorial works7
- Ute Indians--Pictorial works7
- Dakota Indians--Pictorial works5
- 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 Indians4
- Horses--Pictorial works4
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
- International Collections
- Law Library
- Lewis Walpole Library
- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
