Columbia subject headings:
California--Description and travel.
Forster, John Harris, 1822-1894.
Panama--Description and travel.
Surveyors--Michigan--Biography.
Harvard subject headings:
California--Description and travel.
Forster, John Harris, 1822-1894--Journeys--California.
Forster, John Harris, 1822-1894--Journeys--Panama.
Forster, John Harris, 1822-1894--Travel--California.
Forster, John Harris, 1822-1894--Travel--Panama.
Panama--Description and travel.
Princeton subject headings:
California--Description and travel.
Forster, John Harris, 1822-1894.
Panama--Description and travel.
Surveyors--Michigan--Biography.