2016-06-032016-06-031886-02-18H.R. Exec. Doc. No. 79, 49th Cong., 2nd Sess. (1886)http://hdl.handle.net/11244/35245PopulationsCensus of the Indians. Letter from the Secretary of the Treasury, transmitting an estimate from the Secretary of the Interior of an appropriation for taking a census of Indians in the United States.