PLAN No. 1237. THE PRINTING TRADES

This monograph was prepared by T. G. McGrew, Superintendent of the United Typothetæ of America, School of Printing, Indianapolis, Ind., under the direction of Charles H. Winslow, Chief of the Research Division of the Federal Board for Vocational Education. Acknowledgment is due to Marden Scott, President of the International Typographical Union, Dr. Frederick W. Hamilton, and Henry P. Porter, for valuable suggestions and advice in the preparation of this monograph and to Dr. John Cummings of the Research Division for editorial assistance.