Columbia subject headings:
Harvard subject headings:
Biological stations--Central America--Guidebooks.
Biological stations--South America--Guidebooks.
Hotels--Central America--Guidebooks.
Hotels--South America--Guidebooks.
Rain forests--Central America--Guidebooks.
Rain forests--South America--Guidebooks.
Princeton subject headings:
Rain forests--Central America--Directories.
Rain forests--South America--Directories.