Mathematics in the lower and middle commercial and industrial schools of various countries represented in the International Commission on the Teaching of Mathematics
Print Book, English, 1915
G.P.O., Washington, 1915
96 pages ; 23 cm
10703171
Copies 1 and 2 bound with: Bulletin / United States. Bureau of Education, 1915, no. 36-1915, no. 41, subsequent to publication