Columbia subject headings:
Authors, American--20th century--Biography.
Erlich, Gretel--Homes and haunts--Wyoming.
Wyoming--Description and travel.
Harvard subject headings:
Authors, American--20th century--Biography
Ehrlich, Gretel--Homes and haunts--Wyoming.
Wyoming--Biography.
Wyoming--Description and travel.
Wyoming--Intellectual life--20th century.
Princeton subject headings:
Authors, American--20th century--Biography.
Ehrlich, Gretel--Homes and haunts--Wyoming.
Wyoming--Description and travel.