Columbia subject headings:
Economics--Bibliography.
Economics--Study and teaching (Elementary)--Bibliography.
Economics--Study and teaching (Secondary)--Bibliography.
Harvard subject headings:
Economics--Bibliography
Economics--Study and teaching (Elementary)--Bibliography.
Economics--Study and teaching (Secondary)--Bibliography.
Princeton subject headings:
Economics--Bibliography.
Economics--Study and teaching (Elementary)--Bibliography.
Economics--Study and teaching (Secondary)--Bibliography.