Places
- Yardley (Pa.)1
- Yellowstone National Park1
- York County (Va.)--Biography3
- York County (Va.)--History2
- York County (Va.)--History--18th century1
- York County (Va.)--History--19th century2
- York County (Va.)--History--20th century3
- York County (Va.)--History--Revolution, 1775-17831
- Yorktown (Va.)2
- Yorktown (Va.)--History--20th century6
- Yorktown (Va.)--History--Siege, 17811
- Yorktown (Va.)--History--Siege, 1781--Centennial celebrations, etc1