Other
Ethnic groups
Germans
History
10
Irish
4
German Americans
3
Redemptioners
2
Social life and customs
2
Swiss
2
British
1
Demography
1
English
1
Exhibitions
1
Foreign population
1
Italians
1
Jews
1
Minorities
1
Moravians
1
Pennsylvania Dutch
1
Polish people
1
Scots
1
Social classes
1
Social conditions
1
Social mobility
1
Ukrainians
1