Columbia subject headings:
Harvard subject headings:
Agricultural education--Italy--Milan (Province)--Societies, etc.--History.
Agriculture and state--Italy--Milan (Province)
Agriculture, Cooperative--Italy--Milan (Province)--History.
Agriculture--Economic aspects--Italy--Milan (Province)
Milan (Italy : Province)--Rural conditions.
Società umanitaria (Milan, Italy). Ufficio agrario.
Princeton subject headings:
Charities--Italy--Milan region--History--20th century.
Società umanitaria (Milan, Italy)
Ufficio agrario--History--20th century.