Columbia subject headings:
Authors, Norwegian--20th century--Biography.
Rølvaag, O. E. (Ole Edvart), 1876-1931.
Harvard subject headings:
Authors, Norwegian--20th century--Biography.
Frontier and pioneer life in literature.
Norwegian Americans in literature.
Rølvaag, O. E. (Ole Edvart), 1876-1931
South Dakota--In literature.
Western stories--History and criticism.
Princeton subject headings:
Rølvaag, O. E. (Ole Edvart), 1876-1931.