Introduction to the study of economics, by W.M.W. Splawn ... and W.B. Bizzell ... Splawn, Walter M. W. (Walter Marshall William), 1883- Bizzell, William Bennett, 1876-1944, author. Economics. HB171.5 .S7 330 SPT Bibliography at end of each chapter. Boston, New York [etc.] Ginn and Company [c1923] [c1923] 1923 Text ix, [1], 386 p., eng