F. B. Knight, J. W. Studebaker & G. M. Ruch 1948 ed.
Study arithmetics. Book 5.
R602639. Study arithmetics. Book 5. By F. B. Knight, J. W. Studebaker & G. M. Ruch 1948 ed. © 2Mar48; A16950. Scott, Foresman and Company (PWH); 3Apr75; R602639.
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