TY  - BOOK
AU  - Potter,Ralph Kimball
AU  - Kopp,George Adams
AU  - Kopp,Harriet Green
TI  - Visible speech
AV  - TK6500 .P65 1966
U1  - 621.386 POT 23
PY  - 1966///]
CY  - New York
PB  - Dover Publications
KW  - Deaf
KW  - Means of communication
KW  - Speech
KW  - Telephone
KW  - Equipment and supplies
N1  - Bibliography: p. 428
ER  -