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Emigration and immigration
History
82
Immigrants
47
Social conditions
23
Government policy
21
Economic aspects
20
Economic conditions
19
Jews
19
Population
17
Minorities
16
Race relations
15
Working class
14
Migration, Internal
12
Statistics
12
Alien labor
11
Colonies
11
Chinese
10
Emigration and immigration law
10
Biography
9
Ethnology
8
Politics and government
8
Refugees, Jewish
8
Colonization
7
Congresses
7
Description and travel
7
Land settlement
7
Social aspects
7
Ethnic relations
6
Irish
6
Migrations
6
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