House documents, 87th Congress. 46. Statement relating to 18th decennial census of population, message from President of United States, transmitting statement prepared by director of census, Department of Commerce, relating to 18th decennial census of population, pursuant to sec. 22(a) of act of June 18, 1929, as amended (2 U.S.C. 2a); Jan. 12, 1961.

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