Briggs, Thomas Henry, 1877- Secondary education / Briggs, Thomas Henry, J. Paul Leonard and Joseph Justman - Rev. ed. - New York : Macmillan, 1950 - ix, 468 p. ; 22 cm. Includes index ISBN: USD 5.25 Subjects--Topical Terms: Education, SecondaryEducation--Curricula Dewey Class. No.: 373