TY - SER AU - Whipple, Guy Montrose TI - The Nineteenth Yearbook of the National Society for the Scientific Study of Education U1 - 370.7105 23 PY - 1920/// CY - Bloomington, Illinois PB - Public schhol pub. KW - Education KW - Study and teaching KW - Periodicals KW - fast N1 - Pt. 1 New materials of instruction prepared by the society's committee on new materials of instruction -- ER -