KNIGHT, F. B.
Standard service arithmetic work-book Grades 6-8. By F. B. Knight, G. M. Ruch & J. W. Studebaker.
KNIGHT, F. B. Standard service arithmetic work-book Grades 6-8. By F. B. Knight, G. M. Ruch & J. W. Studebaker. © on new matter; 25May32, AA97504; 5Aug32, AA101802; 9Aug32, AA102391. Scott, Foresman & Co. (PWH); 31Dec59; R249365-249367.
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