BRUECKNER, LEO J.
The new triangle arithmetics, answers. Grades 3-4. By Leo J. Brueckner, C. J. Anderson, G. O. Banting & Elda L. Merton.
BRUECKNER, LEO J. The new triangle arithmetics, answers. Grades 3-4. By Leo J. Brueckner, C. J. Anderson, G. O. Banting & Elda L. Merton. © 17Oct35; AA188854. Holt, Rinehart & Winston, Inc. (PWH); 14Mar63; R312258.
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