Better hearing
By: diagrams by Ralph Graeter.
Publisher: Grosset
Published: 1946
Place of publication: New York
Language: eng
Number of pages: 79
Subjects: Deafness; Hearing aids
Notes: With contributions by Laura Stovil, Mary C. New, Ralph J. Crosby, and others.

"Copyright 1946 ... under the title: Ways to better hearing."