Object symbols
Subtitle: a communication option
By: Ylana Bloom.
Contributors: The Royal New South Wales Institute for Deaf and Blind Children.
Series: Monograph series -- no.1
Publisher: North Rocks
Published: 1990
Place of publication: North Rocks, Australia
Language: eng
Number of pages: 64
Notes: At head of title: The Royal New South Wales Institute for Deaf and Blind Children.