Columbia subject headings:
Explorers--United States--Diaries.
Overland journeys to the Pacific.
Sherburne, John P. (John Pitts)--Diaries.
Southwest, New--Description and travel.
United States--Discovery and exploration.
Whipple, Amiel Weeks, 1817-1863.
Harvard subject headings:
America--Discovery and exploration.
Explorers--United States--Diaries.
Overland journeys to the Pacific.
Sherburne, John P. (John Pitts)--Diaries.
Southwest, New--Description and travel.
Whipple, Amiel Weeks, 1817-1863
Princeton subject headings:
Explorers--United States--Diaries.
Overland journeys to the Pacific.
Sherburne, John Pitts--Diaries.
Southwest, New--Description and travel.
United States--Exploring expeditions.
Whipple, Amiel Weeks, 1817-1863.