Columbia subject headings:
Harvard subject headings:
Bilingualism--Iowa--Pella.
Dutch Americans--Iowa--Pella--Social life and customs.
Dutch language--Dialects--Iowa--Pella.
Dutch--Iowa--Pella.
English language--Foreign elements--Dutch
Languages in contact--Iowa--Pella.
Pella (Iowa)--Languages.
Pella (Iowa)--Social life and customs.
Princeton subject headings:
Bilingualism--Iowa--Pella.
Dutch language--Dialects--Iowa--Pella.
Dutch--Iowa--Pella.
English language--Foreign elements--Dutch.
Languages in contact--Iowa--Pella.
Pella (Iowa)--Languages.
Pella (Iowa)--Social life and customs.