Places
- Yellowstone National Park1
- York County (Va.)--Court1
- York County (Va.)--History1
- York County (Va.)--History--19th century1
- Yorktown (Va.)3
- Yorktown (Va.)--History--19th century2
- Yorktown (Va.)--History--20th century1
- Yorktown (Va.)--History--Civil War, 1861-18651
- Yorktown (Va.)--History--Siege, 1781--Centennial celebrations, etc3