Columbia subject headings:
Harvard subject headings:
Center for Research Libraries (U.S.)--Catalogs.
Civilian Conservation Corps (U.S.)--Periodicals--Bibliography.
Princeton subject headings:
American newspapers--Bibliography--Catalogs.
Center for Research Libraries (U.S.)--Catalogs.
Civilian Conservation Corps (U.S.)--History--Sources--Bibliography--Catalogs.
Civilian Conservation Corps (U.S.)--Periodicals--Bibliography--Catalogs.