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