Keyword: 13, united states code, relating to census. hearing … eighty-fifth congress, first session, on h.r. 7911, a bill to amend certain sections of title 13 of the united states code, entitled “census”. june 19, 1957 Amendment Of Title 13, united states code, relating to census. open library is an initiative of the , a 501(c)(3) non-profit, building a digital library of internet sites and other cultural artifacts in digital form. other include the , , , & ..