Columbia subject headings:
Harvard subject headings:
Central America--Description and travel.
Fröbel, Julius, 1805-1893--Travel--Central America.
Fröbel, Julius, 1805-1893--Travel--North America.
Mexico--Description and travel.
Southwest, New--Description and travel.
Princeton subject headings:
Central America--Description and travel.
Mexico--Description and travel.
Southwest, New--Description and travel.