Subject Topical
- Interstate Highway System19
- Pollution19
- Steel industry and trade19
- West Virginia--History19
- 4-H clubs18
- Food relief18
- Mineral industries18
- Government aid to higher education17
- Health17
- Military 17
- Shelters for the homeless17
- Taxation16
- Wildlife conservation16
- Floods--United States15
- Dams14
- Fishing14
- Locks (Hydraulic engineering)14
- Veterans' hospitals14
- National parks and reserves13
- Rental housing13