Columbia subject headings:
Archivo "Pedro A. Guerra."
Black-and-white photography--Mexico--Yucatán (State)
Documentary photography--Mexico--Yucatán (State)
Guerra Jordan, Pedro, 1857-1917.
Guerra, Pedro A.
Photography, Artistic.
Photography--Mexico--Yucatán (State)--History.
Portrait photography--Mexico--Yucatán (State)
Yucatán (Mexico : State)--Pictorial works.
Yucatán (Mexico : State)--Social life and customs--Pictorial works.
Harvard subject headings:
Archivo "Pedro A. Guerra".
Black-and-white photography
Black-and-white photography.
Documentary photography
Documentary photography.
Guerra Aguilar, Pedro, 1893-1959.
Guerra Jordán, Pedro, 1857-1919.
Mexico--Social life and customs--Pictorial works.
Photography--Mexico--History.
Portrait photography
Postmortem photography.
Staged photography.
Universidad Autónoma de Yucatán. Facultad de Ciencias Antropológicas--Photograph collections.
Yucatán (Mexico : State)--Social life and customs--Pictorial works.
Princeton subject headings:
Archivo "Pedro A. Guerra"
Black-and-white photography--Mexico--Yucatán (State).
Documentary photography--Mexico--Yucatán (State).
Guerra Jordan, Pedro, 1857-1917.
Guerra, Pedro A.
Photography, Artistic.
Photography--Mexico--Yucatán (State)--History.
Portrait photography--Mexico--Yucatán (State).
Yucatán (Mexico : State)--Pictorial works.
Yucatán (Mexico : State)--Social life and customs--Pictorial works.