| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| American Government: Continuity and Change, 2004 Texas Edition, Election Update | 978-0-321-29858-4 | 2004 | Karen J. O'Connor · Larry J. Sabato · Stefan Haag |
| American Government: Continuity and Change, 2006 Texas Edition Election Update | 978-0-321-43460-9 | 2007 | Karen O'Connor · Larry J. Sabato · Stefan Haag |
| Gowen Field | 978-0-7385-4823-4 | 2008 | Yancy Mailes |
| Texas Politics and Government: Continuity and Change | 978-0-321-36642-9 | 2005 | Stefan Haag |