Principles of accounting : a diagrammatic approach / [by] John R. Bangs, Jr. [and] George R. Hanselman. Bangs, John R. Hanselman, George Raymond, joint author. Engineering Accounting. TA185 .B35 1950 657 MAP Scranton : International Textbook Co. 1950. 1950. 1950 Text xi, 521 p. : eng