Columbia subject headings:
Bondi, Pietro, 1878-
Cooperation--Italy--Ravenna (Province)--History.
Cooperative societies--Officials and employees--Italy--Ravenna (Province)--Biography.
Ravenna (Italy : Province)--Economic conditions.
Harvard subject headings:
Bondi, Pietro, 1878-
Bondi, Pietro, 1878-1961.
Cooperation--Italy--Ravenna (Province)--History.
Cooperative societies--Italy--Ravenna (Province)--Officials and employees--Biography.
Cooperative societies--Italy--Ravenna.
Ravenna (Italy : Province)--Economic conditions.
Ravenna (Italy)--Economic conditions.
Princeton subject headings:
Bondi, Pietro, 1878-
Cooperation--Italy--Ravenna (Province)--History.
Cooperative societies--Italy--Ravenna (Province)--Officials and employees--Biography.
Ravenna (Italy : Province)--Economic conditions.