Jones, Mack M. 1896- Shopwork on the farm, by Mack M. Jones ... - New York, ddaLondon, McGraw-Hill book company, inc., 1945. - xiii, 486 p. illus. (incl. diagrs.) 23 cm. - A McGraw-Hill practical manual . LCCN: agr45000344 Subjects--Topical Terms: Agricultural engineering.Agricultural machinery. LC Class. No.: S676 / .J67 Dewey Class. No.: 631.3