TY - BOOK AU - Pryor,Hugh Clark TI - Graded units in student-teaching T2 - Contributions to education SN - 0404552021 PY - 1972/// CY - New York PB - AMS Press Inc. KW - Student teaching N1 - Reprint of the 1926 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 202; Originally presented as the author's thesis, Columbia; Bibliography: p. 114 ER -