Bibliographic details
- Publisher
- D. Van Nostrand Co.
- Publication place
- New York
- Publication year
- 1947
- Edition
- 1st ed.
- Language
- English
- Material type
- Book
- Physical description
- xvi, 441p.
Additional authors
Kopp, George Adams
Kopp, Harriet Green
Subjects
Deaf, Speech, Telephone