Columbia subject headings:
Harvard subject headings:
Gosudarstvennai︠a︡ publichnai︠a︡ istoricheskai︠a︡ biblioteka (Russia)--Catalogs.
United States--History--Bibliography--Catalogs.
Princeton subject headings:
Gosudarstvennai︠a︡ publichnai︠a︡ istoricheskai︠a︡ biblioteka (Russia)--Catalogs.
United States--History--Bibliography--Catalogs.