Columbia subject headings:
Overland journeys to the Pacific--Bibliography--Union lists.
Union catalogs--United States.
West (U.S.)--Description and travel--Bibliography--Union lists.
Harvard subject headings:
Overland journeys to the Pacific--Bibliography--Union lists.
Union catalogs--United States.
West (U.S.)--Description and travel--Bibliography--Union lists.
Princeton subject headings:
Overland journeys to the Pacific--Bibliography.
West (U.S.)--Description and travel--Bibliography.