. . . . . . . . . . . "HR 511, to amend Title Eighteen, United States Code"@en . "H.R. 511, to amend Title 18, United States Code, to prohibit the importation of various injurious species of constrictor snakes : legislative hearing before the Subcommittee on Fisheries, Wildlife, Oceans and Insular Affairs of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Twelfth Congress, second session, Thursday, November 29, 2012"@en . . . .