[Committee hearings] serial, 87th Congress. M. Hog cholera eradication, hearings before Subcommittee on Livestock and Feed Grains, 87th Congress, 1st session, on H.K. 7176, H.R. 7177, H.R. 7694, H.R. 7702, and S. 1908, July 26, and 27, 1961.