Columbia subject headings:
Overland journeys to the Pacific.
West (U.S.)--Description and travel.
West (U.S.)--History--1848-1860.
Harvard subject headings:
America--Discovery and exploration
Möllhausen, Balduin, 1825-1905--Diaries.
Overland journeys to the Pacific
West (U.S.)--Description and travel
West (U.S.)--History--1848-1860
Princeton subject headings:
Overland journeys to the Pacific.
United States--Exploring expeditions.
West (U.S.)--Description and travel.