[Committee hearings] serial, 81st Congress. 14, pt. 3. Study of monopoly power, hearings before subcommittee on study of monopoly power. 81st Congress, 2d session, on H. R. 6679 (H. R. 7827), H. R. 6987, H. R. 5041, and Committee print no. 1, Feb. 1Mar. 1, 1950.

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