Violations of free speech and rights of labor : Hearings before a subcommittee of the Committee on Education and Labor, United States Senate, Seventy-fourth Congress, second session[--Seventy-sixth Congress, third session] pursuant to S. Res. 266.

Robert M. LaFollette, Jr., chairman of subcommittee.

Chipless machining; methods of cold forming ferrous metals, including heading, rolling, spinning, swaging, extruding, and high-energy-rate forming.

Includes bibliography.