| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Sign and Symbol: Communication for Mentally Handicapped People | 978-0-7099-1431-0 (0-7099-1431-8) | 1986 | Philip R. Jones |
| Sign and Symbol Communication for Mentally Handicapped People | 978-0-7099-1479-2 (0-7099-1479-2) | 1986 | " |
A.C. · Alessia Cruciani · Alexia Creusen · Alice Crickmore · Alicja Chrzanowska