Teachers' certificates issued under general state laws and regulations - Updegraff, Harlan, 1874- (Washington : G.P.O., 1911)
L111.A6 with: Training of teachers of elementary and secondary mathematics / International Commission on the Teaching of Mathematics. Washington : Govt. Print. Off., 1911. Bound together subsequent to publication.
Bibliography: p. [262]-266.
Keywords: Teachers -- Certification -- United States