Hagen, Everett Einar, 1906- Hagen, Everett Einar, 1906- Handbook for industry studies. - Glencoe, IL : Free Press, [1958] Includes bibliographical references. LCCN: 58007696 /L Subjects--Topical Terms: Research, Industrial. LC Class. No.: HD20 / .H27 1958 Dewey Class. No.: 607