Surveys, polls, and samples: practical procedures,

by Parten, Mildred Bernice, 1902-
New York, Cooper Square Publishers, 1966

Surveys, polls, and samples : practical procedures /

by Parten, Mildred Bernice, 1902-
New York : Cooper Square Publishers, 1966

Surveys, polls, and samples; practical procedures.

by Parten, Mildred Bernice, 1902-
New York, Harper 1950

Family income and expenditure in four urban communities of the Pacific Northwest, 1935-36.

by Kaplan, A. D. H. (Abraham David Hannath), 1893-1974
Washington, U.S. Govt. Print. Off., 1939

Family income and expenditure in selected urban communities of the West central-Rocky mountain region, 1935-36.

by Kaplan, A. D. H. (Abraham David Hannath), 1893-1974
Washington, U.S. Govt. Print. Off., 1939