Dale Carpenter & Elizabeth Cuthbertson, illustrated by Eleanor Dart & Anne Fleur.
Arithmetic 7: the world of numbers.
R677168. Arithmetic 7: the world of numbers. By Dale Carpenter & Elizabeth Cuthbertson, illustrated by Eleanor Dart & Anne Fleur. © 3Oct50; A48392. Dale Carpenter & Elizabeth Cuthbertson (A); 11Nov77; R677168.
Dale Carpenter & Elizabeth Cuthbertson|A