Columbia subject headings:
Confederación de Trabajadores de México--History--20th century.
Labor unions--Officials and employees--Mexico--Guerrero (State)--Biography.
Legislators--Mexico--Guerrero (State)--Biography.
Mexico. Congreso. Cámara de Senadores--Biography.
Vigueras Lázaro, Filiberto.
Harvard subject headings:
Princeton subject headings:
Confederación de Trabajadores de México--History--20th century.
Labor unions--Mexico--Guerrero (State)--Officials and employees--Biography.
Legislators--Mexico--Guerrero (State)--Biography.
Mexico. Congreso. Cámara de Senadores--Biography.
Vigueras Lázaro, Filiberto.