Columbia subject headings:
Wilder, Laura Ingalls, 1867-1957.
Harvard subject headings:
Authors, American--20th century--Biography
Middle West--In literature.
Wilder, Laura Ingalls, 1867-1957.
Princeton subject headings:
Middle West--In literature.
Wilder, Laura Ingalls, 1867-1957.
Women authors, American--20th century--Biography.