The mechanism of speech
Subtitle: lectures delivered before the  American Association to Promote the Teaching of Speech to the Deaf, to which  is appended a paper Vowel theories, read before the National Academy of Arts and Sciences
By: Alexander Graham Bell
Edition: 8th ed.
Publisher: Funk & Wagnalls
Published: 1916
Place of publication: New York
Language: eng
Number of pages: 133
Notes: Includes index.