THEOPHILUS PARSONS, LL. D. Author of "The Laws of Business." E. ST. ELMO LEWIS Advertising Manager, Burroughs Adding Machine Company. Formerly Manager of Publicity, National Cash Register Co. Author of "The Credit Man and His Work," and "Financial Advertising." T. E. YOUNG, B. A., F. R. A. S. Ex-President of the Institute of Actuaries. Member of the Actuary Society of America. Author of "Insurance." LAWRENCE R. DICKSEE, F. C. A. Professor of Accounting at the University of Birmingham. Author of "Advanced Accounting," "Auditing," "Bookkeeping for Company Secretary," etc. FRANCIS W. PIXLEY Author of "Auditors, Their Duties and Responsibilities," and "Accountancy." CHARLES U. CARPENTER General Manager, The Herring-Hall-Marvin Safe Co. Formerly General Manager, National Cash Register Co. Author of "Profit Making Management." C. E. KNOEPPEL Specialist in Cost Analysis and Factory Betterment. Author of "Systematic Foundry Operation and Foundry Costing," "Maximum Production through Organization and Supervision," and other papers. HARRINGTON EMERSON, M. A. Consulting Engineer. Director of Organization and Betterment Work on the Santa Fe System. Originator of the Emerson Efficiency System. Author of "Efficiency as a Basis for Operation and Wages." ELMER H. BEACH Specialist in Accounting Methods. Editor, _Beach's Magazine of Business_. Founder of The Bookkeeper. Editor of _The American Business and Accounting Encyclopedia_.