Clepper, Henry Edward Professional forestry in the United States [by] Henry Clepper. - Baltimore Published for Resources for the Future by the Johns Hopkins Press [1971] - ix, 337 p. 921003 Bibliography: p. 317-323. ISBN: 080181331X LCCN: 70171107 //r87 Subjects--Topical Terms: Forests and forestry--History.--United States LC Class. No.: SD143 / .C56 Dewey Class. No.: 634.9/0973