- Cărți electroniceMicrosoft Windows Server 2016 – Das HandbuchThomas Joos
- Cărți electroniceMicrosoft Windows Server 2019 – Das HandbuchThomas Joos
- Cărți electroniceMicrosoft Windows Server 2022 – Das HandbuchThomas Joos
- Cărți electroniceMicrosoft Exchange Server 2019 – Das HandbuchThomas Joos
- Cărți electroniceTroubleshooting und Monitoring von Exchange und Office 365Thomas Joos
- Cărți electroniceMicrosoft Exchange Server 2016 – Das HandbuchThomas Joos