Other
Agriculture
History
85
Economic aspects
55
Societies, etc
33
Description and travel
32
Economic conditions
28
Almanacs, American
19
African Americans
13
Livestock
13
Farm life
11
Gardening
11
Social conditions
11
Social life and customs
11
Agricultural exhibitions
10
Periodicals
10
Emigration and immigration
9
Farmers
9
Farms
9
Social aspects
9
Tariff
9
%SP7
8
Horticulture
8
Agricultural laborers
7
Colonization
7
Employment
7
Protectionism
7
Farm management
6
Geology
6
Germans
6
Land tenure
6
Rural conditions
6
Travel
6
Women
6
Agricultural education
5
Country life
5
Education
5
German Americans
5
Greenhouse plants
5
Indians of North America
5
Plants
5
Politics and government
5
Slavery
5
Agriculture and state
4
Aspect économique
4
Economic history
4
Enseignement agricole
4
Food
4
Histoire
4
Industries
4
Land settlement
4
more ...