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