Deich, Ruth F.,
Language without speech / by Ruth F. Deich and Patricia M. Hodges. - 256, [8] p. of plates : ill., ports. ; 22 cm. - Human horizons series A Condor book .
Includes bibliographies and index.
0285648470 pbk.
Children with mental disabilities--Language.
Nonverbal communication.
RJ506.M4 / D45 1977
Language without speech / by Ruth F. Deich and Patricia M. Hodges. - 256, [8] p. of plates : ill., ports. ; 22 cm. - Human horizons series A Condor book .
Includes bibliographies and index.
0285648470 pbk.
Children with mental disabilities--Language.
Nonverbal communication.
RJ506.M4 / D45 1977