- Canals1
- Capital and capitol1
- Capitols1
- Chaparral1
- Church buildings1
- Circus1
- Circus performers1
- Copper mines and mining1
- Corrupt practices1
- Dams1
- Deportation1
- Diversion structures (Hydraulic engineering)1
- Dolls1
- Dwarfs (Persons)1
- Earthquake and fire, 19061
- Education1
- Education, Elementary1
- Elections1
- Elementary schools1
- Emigration and immigration1
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
