Columbia subject headings:
Harvard subject headings:
Castillo de San Marcos National Monument (Saint Augustine, Fla.)--Guidebooks.
Saint Augustine (Fla.)--Guidebooks.
Saint Augustine (Fla.)--History.
Princeton subject headings:
Castillo de San Marcos National Monument (Saint Augustine, Fla.)--Guidebooks.
Guidebooks.
Saint Augustine (Fla.)--Guidebooks.
Saint Augustine (Fla.)--History.