H.W. ยท H. Walther
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| CYA: Securing Exchange Server 2003 & Outlook Web Access | 978-1-931836-24-1 (1-931836-24-8) | 2004 |
| How to Cheat at Configuring Exchange Server 2007: Including Outlook Web, Mobile, and Voice Access | 978-1-59749-137-2 (1-59749-137-3) | 2007 |