| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| GBDS: Group Benefits Disability Specialist | 978-1-936362-57-8 (1-936362-57-0) | 2011 | Thomas Kirner · David Abrahamsen |
| The Advisor's Guide to Group Life and AD&D Insurance | 978-1-936362-88-2 (1-936362-88-0) | 2012 | Thomas C. Kirner |
P S · Peter Schlagheck · Peter Silkowski GBDS · Piotr Slezak · Piotr Slizewski · Piotr Sulikowski · Piotr Szeligowski