Columbia subject headings:
American literature--20th century--History and criticism.
Indian women--North America.
Indians in literature.
Sacagawea--In literature.
Women in literature.
Harvard subject headings:
American literature--20th century--History and criticism
Gender identity in literature.
Indian women in literature.
Indian women--North America
Indians in literature
Race in literature.
Sacagawea in fiction, drama, poetry, etc.
Sacagawea--In literature.
Shoshoni women.
Women and literature--United States--History--20th century.
Women in literature
Princeton subject headings:
American literature--20th century--History and criticism.
Indians in literature.
Women in literature.