RUCH, G.M.
Fourth grade arithmetic test, by G.M. Ruch, F.B. Knight & J.W. Studebaker.
RUCH, G.M. Fourth grade arithmetic test, by G.M. Ruch, F.B. Knight & J.W. Studebaker. © 15Dec38; AA285383. Scott, Foresman & Co. (PWH); 25Nov66; R397540.
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