Columbia subject headings:
American literature--North Dakota--Bibliography.
American literature--South Dakota--Bibliography.
North Dakota--Bibliography.
South Dakota--Bibliography.
Harvard subject headings:
American literature--North Dakota--Bibliography.
American literature--South Dakota--Bibliography.
North Dakota--Imprints.
Printing--North Dakota--History.
Printing--South Dakota--History.
South Dakota imprints.
Princeton subject headings:
American literature--North Dakota--Bibliography.
American literature--South Dakota--Bibliography.
North Dakota--Bibliography.
South Dakota--Bibliography.