| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Catatonia in Autism Spectrum Disorders | 978-0-12-399285-7 (0-12-399285-0) | 2011 |
| Catatonia in Autism Spectrum Disorders (Volume 72) | 978-0-12-366873-8 (0-12-366873-5) | 2006 |
| Gaba in Autism and Related Disorders (Volume 71) | 978-0-12-366872-1 (0-12-366872-7) | 2005 |