Figure F

Growth of charges for secondary boycott violations: 10(l) charges, 1948–1960

10l
1948 17
1949 32
1950 22
1951 32
1952 35
1953 44
1954 66
1955 59
1956 78
1957 98
1958 127
1959 129
1960 219
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Economic Policy Institute

Source: National Labor Review Board annual reports, 1948–1960.

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