Columbia subject headings:
Río Blanco (Veracruz-Llave, Mexico)--History--Pictorial works.
Río Blanco (Veracruz-Llave, Mexico)--History.
Santa Rosa (Veracruz, Mexico)--History--Pictorial works.
Santa Rosa (Veracruz, Mexico)--History.
Harvard subject headings:
Labor movement--Mexico--Veracruz (State)--History--Pictorial works.
Mendoza (Mexico)--History--Pictorial works.
Mendoza (Mexico)--History.
Río Blanco (Veracruz, Mexico)--History--Pictorial works.
Río Blanco (Veracruz, Mexico)--History.
Textile workers--Mexico--Veracruz (State)--History--Pictorial works.
Princeton subject headings:
Labor movement--Mexico--Veracruz (State)--History--Pictorial works.
Textile workers--Mexico--Veracruz (State)--History--Pictorial works.