Columbia subject headings:
Harvard subject headings:
Germans from Russia Heritage Society--Catalogs.
North Dakota Institute for Regional Studies--Catalogs.
Russian Germans--Foreign countries--History--Bibliography--Catalogs.
Russian Germans--United States--History--Bibliography--Catalogs.
Soviet Union--Emigration and immigration--Bibliography--Catalogs.
Princeton subject headings:
Germans from Russia Heritage Society--Catalogs.
North Dakota Institute for Regional Studies--Catalogs.
Russian Germans--Foreign countries--History--Bibliography--Catalogs.
Russian Germans--United States--History--Bibliography--Catalogs.
Soviet Union--Emigration and immigration--Bibliography--Catalogs.