The master key arithmetic
By: by Frank L. Clapp, assisted by Harriet Sleeper, Joy Mahachek [and] Lillian Lamb Ralya
Contributors: Sleeper, Harriet, joint author; Mahachek, Joy, joint author; Ralya, Lillian Lamb, Mrs., joint author
Publisher: Houghton Mifflin
Published: 1937
Place of publication: Boston; New York [etc.]
Language: eng
Subjects: Arithmetic
Notes: Illustrated lining-papers.