| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| CCIE Practical Studies, Volume I | 978-1-58720-002-1 (1-58720-002-3) | 2001 | |
| CCIE Practical Studies, Volume II | 978-1-58705-072-5 (1-58705-072-2) | 2003 | Leah Lynch |
Karel Schelle · Karel Sole · Karl Shell · Karl Söhl · Karl Soll