Clark, Wallace, 1880-1948. The Gantt chart/ - New York, The Ronald press company, 1922. - xvi, 168p; 3-157 p. diagrs. 22 cm. LCCN: 22009947 Subjects--Personal Names: Gantt, Henry Laurence, 1861-1919. Subjects--Topical Terms: Industrial efficiency.Factory management.Graphic methods. LC Class. No.: HD31 / .C53 1952