TY - BOOK TI - The modern junior high school 3rd ed AU - Gruhn, William Theodore. AU - Douglass, Harl Roy, 1892- joint author. PB - Wiley PP - New York : Wiley, [c1971]. PY - 1971 UR - https://library.korea.ac.kr/detail/?cid=CAT000000901698&ctype=m