Bent, Rudyard K., 1901-1987. Principles of secondary education / [by] Rudyard K. Bent [and] Henry H. Kronenberg - 3d ed - New York : McGraw-Hill, c1955 - 542 p. : ill. ; 24 cm. - McGroaw-Hill Series in Education . - McGraw-Hill series in education . Includes index Subjects--Topical Terms: Education, SecondaryEducation--United States Dewey Class. No.: 373 / BEP 1955