Illustrierte Einfuhrung in Die Schlossoffnung
Impressioning by Oliver Diederichsen
Lock Picking for Beginners Book - Simple and Illustrated
Mortice Lock Identification Manuals 3rd Edition
Open In Thirty Seconds by Marc Tobias and Tobias Bluzmanis
Pick Guns. Lock Picking for Spies, Cops and Locksmiths
The Bumpology Lock Bumping Guide
Visual Guide to Lock-Picking (3rd Edition)