Mathematics in the lower and middle commercial and industrial schools of various countries represented in the International Commission on the Teaching of Mathematics
Bulletin (United States. Bureau of Education), 1915, no. 35, 1915, no. 35. Whole no. 662
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