Supplement to Mathematics Teacher (1930) Vol. 23,
THE MATHEMATICS TEACHER Official Journal of the NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS (INCORPORATED) REGISTER OF OFFICERS AND MEMBERS BY-LAWS . VOLUME XXIII, 1930 NUMBER 2, FEBRUARY SUPPLEMENT PRICE 50 CENTS PUBUSHED BY THE COUNCIL MENASHA, WIS., AND NEW YORK, N.Y. THE MATHEMATICS TEACHER DeYoted to the interest&
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