00714cam a22002411 4500 10229763 BD-DhUL 20160616105815.0 731226s1966 ii b 001 0 eng 49001912 (OCoLC)766739 DLC OClU BD-DhUL 373 BOF Bossing, Nelson L. (Nelson Louis), 1893- Principles of secondary education / by Nelson L. Bossing 2 nd ed. New Delhi : Prentice-Hall, 1966. 534 p. : ill. ; 22 cm. Includes bibliographical references and index. Education, Secondary. Education United States. ddc BK 78655 78655 0 0 ddc 0 373_000000000000000_BOF 0 FIC 132686 DUL DUL GEN 2016-06-16 373 BOF A89247 2016-06-16 2016-06-16 BK