KNIGHT, F. B.
Study arithmetics. Grade 5-6. By F. B. Knight, G. M. Ruch & J. W. Studebaker. NM: new pictures & revision of text.
KNIGHT, F. B. Study arithmetics. Grade 5-6. By F. B. Knight, G. M. Ruch & J. W. Studebaker. NM: new pictures & revision of text. © 2Apr40; A138949-138950. Scott, Foresman & Co. (PWH); 2Jan68; R426094-426095.
Scott, Foresman & Co.|PWH