Columbia subject headings:
Harvard subject headings:
Dissertations, Academic--Soviet Union--Catalogs.
Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina--Catalogs.
Gosudarstvennai︠a︡ t︠s︡entralʹnai︠a︡ nauchnai︠a︡ medit︠s︡inskai︠a︡ biblioteka (Soviet Union)--Catalogs.
Princeton subject headings:
Catalogs.
Dissertations, Academic--Soviet Union--Catalogs.
Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina--Catalogs.
Gosudarstvennai︠a︡ t︠s︡entralʹnai︠a︡ nauchnai︠a︡ medit︠s︡inskai︠a︡ biblioteka (Soviet Union)--Catalogs.