01229cam a22003011i 4500 e 54000038 DLC 20260227111235.0 790625s1954 dcu f000 0 eng c e 54000038 (OCoLC)5106115 U.S. Office of Education OMC OMC OCoLC DLC premarc L111 .A6 1954, no. 7 LB2359 .T65 Tompkins, Ellsworth. The Carnegie unit: its origin, status, and trends, by Ellsworth Tompkins and Walter H. Gaumnitz. Washington, U.S. Govt. Print. Off., 1954. v, 58 p. 23 cm. [U.S. Office of Education] Bulletin 1954, no. 7 Copies 1 and 2 of L111.A6 with: State certification requirements for teachers of exceptional children / Romaine P. Mackie and Lloyd M. Dunn. Washington : Govt. Print. Off., 1954. Bound together subsequent to publication. DLC Bibliography: p. 55-58. Articulation (Education). School credits. Education, Secondary. Carnegie Foundation for the Advancement of Teaching. Gaumnitz, Walter H. (Walter Herbert), 1891- 22226 22226