D D · David & Tony Duffy · David D. · David Duffy and Tony Ryan
Jessica Kingsley Publishers · St. Martin's Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Last to Fold | 978-0-312-62190-2 (0-312-62190-6) | 2011 | |
| New Approaches to Preventing Suicide: A Manual for Practitioners | 978-1-84310-221-2 (1-84310-221-8) | 2004 | Tony Ryan |