by Jack L. Runyan
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Injuries and fatalities on U.S. farms
A review of farm accident data sources a...
A summary of federal laws and regulation...
A profile of hired farmworkers
A cost comparison of high and low ceilin...
Advanced mechanization operations for gr...
The Grapes of Wrath
Kokuritsu Kokkai Toshokan shozō Meijiki ...
Consolidação das leis do trabalho
The autocrat of the breakfast-table
De la division du travail social
Sixteenth census of the United States