Columbia subject headings:
Harvard subject headings:
Bilingualism--Russia (Federation)--Siberia.
German language--Dialects--Russia (Federation)--Siberia.
Germans--Russia (Federation)--Siberia--Language.
Russian Germans--Russia (Federation)--Siberia--Language.
Princeton subject headings:
Bilingualism--Russia (Federation)--Siberia.
German language--Dialects--Russia (Federation)--Siberia.
Germans--Russia (Federation)--Siberia--Language.
Russian Germans--Russia (Federation)--Siberia--Language.