Columbia subject headings:
Harvard subject headings:
Dissertations, Academic--Russia (Federation)--Catalogs.
Rossiĭskai︠a︡ gosudarstvennai︠a︡ biblioteka--Catalogs.
Princeton subject headings:
Catalogs.
Dissertations, Academic--Russia (Federation)--Catalogs.
Rossiĭskai︠a︡ gosudarstvennai︠a︡ biblioteka--Catalogs.