Language without speech /
by Ruth F. Deich and Patricia M. Hodges.
- London : Souvenir Press, 1977.
- 256p. [8] p. of plates, ill., ports. ; 22 cm.
- Human horizons series. A Condor book .
Includes bibliographies and index.
0285648462 : 0285648470 £5.50.
Children with mental disabilities--Language. Nonverbal communication.