Jean, Frank Covert Man and his physical universe [by] Frank Covert Jean, Ezra Clarence Harrah [and] Fred Louis Herman, with the editorial collaboration of Samuel Ralph Powers. - 3d ed. - Boston Ginn [1958] - 656 p. illus. 24 cm. LCCN: 58014813 /L/r84 Subjects--Topical Terms: Science LC Class. No.: Q159 / .J43 1958 Dewey Class. No.: 500