- Buena Vista (Mexico), Battle of, 1847--Maps1
- Buildings--Massachusetts--Norfolk County--Aerial views1
- Buildings--New York (State)--New York--Maps2
- Buildings--Vermont--Orange County--Pictorial works1
- Bull Run, 1st Battle of, Va., 1861--Maps3
- Bull Run, 2nd Battle of, Va., 1862--Maps1
- Bunker Hill, Battle of, 1775--Maps, Manuscript--Early works to 18001
- Bus lines--Alberta--Calgary--Maps1
- Bus lines--Missouri--Kansas City Metropolitan Area--Maps1
- Bus lines--Oklahoma--Oklahoma City--Maps1
- Bus lines--Texas--Corpus Christi--Maps1
- Bus lines--Texas--Fort Worth--Maps1
- Bus lines--Washington (State)--Seattle--Maps1
- Buses--France--Paris--Maps1
- Bushy Run, Battle of, Pa., 17631
- Businessmen1
- Cab and omnibus service--France--Paris--Maps1
- Cable cars (Streetcars)--Virginia--Richmond--Maps1
- Cables, Submarine--Atlantic Ocean--Maps1
- Cables, Submarine--Australia--Maps1
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
