Columbia subject headings:
Cristalería, S.A.
Labor unions--Glass-works--Mexico--Monterrey.
Rosa Téllez, Juan de la, 1927-
Harvard subject headings:
Princeton subject headings:
Cristalería, S.A.
Glassworkers--Labor unions--Mexico--Monterrey.
Labor disputes--Mexico--Monterrey.
Rosa Téllez, Juan de la, 1927-
Syndicalism--Mexico--Monterrey.
Working class--Mexico--Monterrey--Biography.