Hugo Black

“ Section 7 of the Taft-Hartley Act recognizes a right of employees to work together in 'concerted activities' for their mutual aid and protection. One way some union men help others is to refrain from crossing picket lines. Habitual respect for union picket lines has long been the practice of union men. ”

“ National Labor Relations Board v. Rockaway News Supply Company
Argued: Jan. 14, 1953. --- Decided: March 9, 1953
Mr. Justice BLACK, with whom Mr. Justice DOUGLAS and Mr. Justice MINTON concur, dissenting. ”