Leica Books, including Leica and Leica in colour by Paul Henry van Hasbroeck, Leica M6 and Leica Reflex Practice R5 to R3 by Andrew Matheson, Leica the First 50 Years by G. Rogliatti, The Leica and Leicaflex Way by Andrew Matheson, Handbook of the Leica System and Leica Collectors Guide