Collectors

Hogan Arms - A collector specializing in all types of German WWI/WWII pistols, carbines, cased/boxed firearms, accessories and literature

Dealers

Discussion Forums

The Luger Forum - A very interesting Luger forum to exchange views, comments and ask questions
The Walther PP & PPK Forum - An affiliated forum of the Luger Forum
Kuratorium zur Förderung Historischer Waffensammlungen e.V. - A German gun collectors organization

Information & Internet Sources

 Editions H&L - Luger Pistol; Militaire Books; H&L E-books