Columbia subject headings:
Economics--Bibliography--Catalogs.
Microfilms--Catalogs.
Tōkyō Daigaku. Keizai Gakubu.
Harvard subject headings:
Princeton subject headings:
Catalogs.
Economics--Bibliography--Catalogs.
Microfilms--Catalogs.
Tōkyō Daigaku. Keizai Gakubu