Anticrime legislation : hearings before the Subcommittee No. 4 of the Committee on the District of Columbia, House of Representatives, Ninetieth Congress, first session on H.R. 826, H.R. 1436, H.R. 7344, H.R. 320, H.R. 579 and H.R. 5978 Omnibus anticrime bills; H.R. 7327, H.R. 7422, H.R. 7568, H.R. 8033, H.R. 8067, H.R. 8210, H.R. 8358, H.R. 8419 and H.R. 8471 crime reduction bills; H.R. 7808 and H.R. 8789 rules for interrogation; H.R. 2325 registration of pistols; H.R. 4212 prohibition of firearms, March 20, April 10, 12, 19, and 26, 1967