KNIGHT, F. B.
Self-help mathematics work-book, 1, by F. B. Knight, G. M. Ruch & J. W. Studebaker.
KNIGHT, F. B. Self-help mathematics work-book, 1, by F. B. Knight, G. M. Ruch & J. W. Studebaker. © 5Apr40; AA333050. Scott, Foresman & Co. (PWH); 2Jan68; R426102.
Scott, Foresman & Co.|PWH