Columbia subject headings:
Harvard subject headings:
Panama (Panama)--History.
Panama (Panama)--Pictorial works.
Santa Ana (Panama, Panama)--History.
Santa Ana (Panama, Panama)--Pictorial works.
Princeton subject headings:
Panama (Panama)--Description--Views.
Panama (Panama)--History.
Santa Ana (Panama, Panama)--Description--Views.
Santa Ana (Panama, Panama)--History.