| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| German Ultimate Adventure Power-Glide Year 1 | 978-1-58204-231-2 | 2004 | |
| Physiology | 978-0-387-97039-4 | 1991 | Kenneth J. Dormer · Robert C. Beesley · Robert J. Person · Roger Thies · Siribhinya Benyajati |
| Power-Glide Spanish Ultimate Adventure Course Year 1 | 978-1-58204-200-8 | 1998 | |
| Spanish Ultimate Adventure Power-Glide Year 1 | 978-1-58204-229-9 | 2003 | |
R. B · R. Blair · R.W. Blair · Robert B. · Robert Blair · Robert W. · W. B.