Columbia subject headings:
Immigrants--Germany--Lahr (Ortenaukreis)--History.
Lahr (Ortenaukreis, Germany)--Ethnic relations.
Russian Germans--Germany--Lahr (Ortenaukreis)--History.
Harvard subject headings:
Immigrants--Germany--Lahr (Ortenaukreis)
Lahr (Ortenaukreis, Germany)--Emigration and immigration.
Russian Germans--Germany--Lahr (Ortenaukreis)
Princeton subject headings: