Columbia subject headings:
Klassen, James R., 1947---Travel--Vietnam.
Mennonites--Missions--Vietnam.
Missionaries--United States--Biography.
Missionaries--Vietnam--Biography.
Vietnam--Description and travel.
Harvard subject headings:
Klassen, James R., 1947---Journeys--Vietnam.
Mennonites--Missions--Vietnam.
Missionaries--United States--Biography
Missionaries--Vietnam--Biography.
Vietnam--Description and travel.
Princeton subject headings: