Places
- Port Huron (Mich.) -- Bridges.1
- Saint Johns (Mich.)1
- Saint Johns (Mich.) -- Dwellings.1
- Saint Lawrence Seaway.1
- Soviet Union.1
- Spring Arbor (Mich.)1
- Swains Lake (Mich.)1
- Tustin (Mich.)1
- United States -- Emigration and immigration.1
- United States -- Foreign relations -- 1945-1989.1
- United States -- Politics and government -- 1865-1933.1
- United States -- Politics and government -- 1929-1933.1
- United States -- Politics and government -- 1933-1945.1
- United States -- Politics and government -- 1933-1953.1
- Upper Peninsula (Mich.) -- Forests.1
- Upper Peninsula (Mich.) -- Mining.1
- Vermont -- 1921-1930.1
- Wayne County (Mich.)1
- Willow Run (Mich.) -- Airplane industry.1
- Willow Run (Mich.) -- Automobile industry.1