Places
- Germany -- History -- 20th century.1
- Germany.1
- Huron River (Oakland County-Monroe County, Mich.)1
- Michigan -- Politics and government -- 1845-1860.1
- Michigan -- Politics and government -- 1861-1865.1
- Michigan -- Politics and government -- 1866-1876.1
- Michigan -- Politics and government -- 1877-1898.1
- Michigan -- Politics and government -- 1946-1960.1
- Nicaragua -- Description and travel.1
- Panama -- Description and travel.1
- Panama Canal (Panama)1
- Saar River Valley (France and Germany) -- History.1
- Uganda -- Politics and government.1
- United States -- Emigration and immigration.1
- United States -- Foreign relations -- China.1
- United States -- Politics and government -- 1845-1861.1
- United States -- Politics and government -- 1861-1865.1
- United States -- Politics and government -- 1865-1900.1
- United States -- Politics and government -- 1929-1933.1
- United States -- Politics and government -- 1933-1945.1