Dale Carpenter & Dorothy Leavitt Pepper, illustrated by Robert Meyers & Medill Loebner.
Arithmetic 6: the world of numbers.
R670628. Arithmetic 6: the world of numbers. By Dale Carpenter & Dorothy Leavitt Pepper, illustrated by Robert Meyers & Medill Loebner. © 2May50; A43465. Dale Carpenter (A); 2Sep77; R670628.
Dale Carpenter|A