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Summaries of legislative proposals relating to labormanagement relations in agriculture as introduced in the 92. Congr. through April 1972
(1972)
The agricultural labor problem
Murray, Ray A., (1966)
Condiciones de vida y trabajo sobre trabajadores agricolas de los Estados unidos y Puerto Rico
Cevallos Vides, José, (1954)
O sindicato no Brasil
Vianna, José de Segadas, (1953)