Columbia subject headings:
American periodicals--Indexes.
American poetry--20th century--Periodicals--Indexes.
Popular literature--United States--Periodicals--Indexes.
Harvard subject headings:
American periodicals--Indexes.
American poetry--20th century--Periodicals--Indexes.
Popular literature--United States--Periodicals--Indexes.
Princeton subject headings:
American periodicals--Indexes.
American poetry--20th century--Periodicals--Indexes.
Indexes.
Popular literature--United States--Periodicals--Indexes.