Columbia subject headings:
Harvard subject headings:
Carnival masks--Puerto Rico--Ponce.
Carnival--Puerto Rico--Ponce.
Masks--Puerto Rico--Ponce.
Ponce (P.R.)--Social life and customs.
Princeton subject headings:
Carnival--Puerto Rico--Ponce.
Masks--Puerto Rico--Ponce.
Ponce (P.R.)--Social life and customs.