BRUECKNER, LEO J.
The triangle arithmetics. Grade 2. By Leo J. Brueckner, C. J. Anderson, G. O. Banting & Elda L. Merton.
BRUECKNER, LEO J. The triangle arithmetics. Grade 2. By Leo J. Brueckner, C. J. Anderson, G. O. Banting & Elda L. Merton. © 27Apr34; AA145769. Holt, Rinehart & Winston, Inc. (PWH); 29Mar62; R292945.
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