CLAPP, FRANK L.
The Clapp-Young self marking teats. Clapp-Young arthmetic test, form B. Concrete problems for grades 5-8, by Frank L. Clapp and Robert V. Young.
CLAPP, FRANK L. The Clapp-Young self marking teats. Clapp-Young arthmetic test, form B. Concrete problems for grades 5-8, by Frank L. Clapp and Robert V. Young. © 14Apr31; AA68109. Bertha M. Clapp & Catherine M. Young (W); 23Jan59; R230005.
Bertha M. Clapp & Catherine M. Young|W