Columbia subject headings:
Harvard subject headings:
American literature--20th century--Periodicals
American poetry--20th century--Periodicals
Concrete poetry, American--Periodicals.
Experimental poetry, American--Periodicals.
Literature, Experimental--Periodicals.
Princeton subject headings:
American literature--20th century--Periodicals.
American poetry--20th century--Periodicals.
Concrete poetry, American--Periodicals.
Experimental poetry, American--Periodicals.
Facsimiles.
Literature, Experimental--Periodicals.
Periodicals.