Introduction to economics / Alvin Saunders Johnson Johnson, Alvin Saunders, Economics. HB171.5 .J6 1909 330 JOI Boston : D. C. Heat, 1909. 1909. 1909 Text xii, 404 p. : http://hdl.loc.gov/loc.gdc/scd0001.00134952313 eng Also available in digital form on the Internet Archive Web site. Also available in digital form on the Internet Archive Web site.