Columbia subject headings:
Overland journeys to the Pacific--Sources.
West (U.S.)--History--1848-1860--Sources.
Women--West (U.S.)--History--19th century--Sources.
Harvard subject headings:
Overland journeys to the Pacific--Sources.
West (U.S.)--History--1848-1860--Sources.
West (U.S.)--History--1860-1890--Sources.
West (U.S.)--History--1890-1945--Sources.
Women--West (U.S.)--History--19th century--Sources.
Princeton subject headings:
Overland journeys to the Pacific--Sources.
West (U.S.)--History--19th century--Sources.
Women--West (U.S.)--History--19th century--Sources.