Columbia subject headings:
Agricultural laborers--Labor unions--Peru--Ica (Province)--History--20th century.
Pévez, Juan H. (Juan Hipólito), 1895-
Harvard subject headings:
Agricultural laborers--Labor unions--Peru--Ica (Province)--History--20th century.
Pévez, Juan H. (Juan Hipólito), 1895-
Princeton subject headings:
Agricultural laborers--Labor unions--Peru--Ica (Province)--History--20th century.
Pévez, Juan H. (Juan Hipólito), 1895-