Subject
Southern States History
89
Southern States Politics and government
68
Southern States
59
Southern States In literature
52
Southern States Race relations
49
Aquifers
48
Groundwater
48
Southern States Civilization
46
Southern States Social conditions
45
Southern States Social life and customs
30
African Americans
29
Water quality
26
American literature History and criticism
24
Southern States Economic conditions
24
United States Politics and government
24
Southern States Intellectual life
23
Water-supply
23
Geology
22
Geology, Stratigraphic
22
Slavery
22
Criticism and interpretation
21
History
21
Women and literature History
21
Southern States Race relations History
18
Forest management
17
Indians of North America
17
African Americans Civil rights History
16
Indians of North America History
15
African Americans History
14
Civil rights movements History
14
Southern States Description and travel
14
African Americans Civil rights
13
Forests and forestry
13
Monazite
13
Reconstruction (U.S. history, 1865-1877)
13
Slavery History
13
United States History
13
American fiction History and criticism
12
Invasive plants
12
Paleobotany
12
African Americans Social conditions
11
Floods
11
American literature
10
Enslaved persons Social conditions
10
Hardwoods
9
Mines and mineral resources
9
Reconstruction
9
Indians of North America Antiquities
8
Secession
8
Teachers Salaries, etc
8
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