RUCH, G. M.
Graded arithmetic tests, 1-10. 8th grade. By G. M. Ruch & F. B. Knight.
RUCH, G. M. Graded arithmetic tests, 1-10. 8th grade. By G. M. Ruch & F. B. Knight. © 8Sep36; AA214567. Scott, Foresman & Co. (PWH); 8Jan64; R329318.
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