Columbia subject headings:
Agricultural Laborers' Strike, Parma, Italy, 1908--Congresses.
Harvard subject headings:
Agricultural Laborers' Strike, Parma, Italy, 1908--Congresses.
Princeton subject headings:
Agricultural industries strike, Parma, Italy, 1908--Congresses.
Strikes and lockouts--Agricultural industries--Italy--Congresses.
Syndicalism--Italy--Parma--Congresses.
Working class--Italy--Parma--Political activity--Congresses.