Columbia subject headings:
Conger, Jay--Library--Catalogs.
Forbes Magazine Collection.
Hefner, Robert A.--Library--Catalogs.
Portsmouth Athenaeum (Portsmouth, N.H.)
Power, Robert H.--Library--Catalogs.
Thomson, Chilton--Library--Catalogs.
Harvard subject headings:
Conger, Jay--Library--Catalogs.
Forbes Magazine Collection
Hefner, Robert A.--Library--Catalogs.
Portsmouth Athenaeum (Portsmouth, N.H.)
Power, Robert H.--Library--Catalogs.
Thomson, Chilton--Library--Catalogs.
Princeton subject headings: