The Leica History and Heritage by Thorsten Overgaard
Leica Q: In 2015 it was my favourite. How has it fared? - Macfilos
Leica Q2 Review (+ Leica Q vs Q2) + YouTube
Erwin Puts' Leica Compendium
Leica Lens Compendium - Puts, Erwin: 9781897802175 - AbeBooks
Thorsten Overgaard's Leica Photography Pages- The Leica History - Page 2
Leica, my point of view
The Ultimate LEICA R Lenses Review (On Digital & Film Cameras)
Top Leica Expert Says Farewell: 'Soul of Leica Products Has Been Eradicated' | PetaPixel
Is video coming back to the M rangefinder? - Macfilos
Thorsten Overgaard's Leica Photography Pages - The Story Behind That Picture 168 - "Advice for Photographers: Batteries on Airplanes - The actual rules and regulations for camera batteries on airplanes - FAA regulations"
Erwin Puts says farewell to the Leica World: "The company has sketched a future and follows a path that I am no longer willing to go" - Leica Rumors
LFI Magazine 05/2016 | LFI
The Ultimate LEICA R Lenses Review (On Digital & Film Cameras)
Basic Menu Setup and Leica M10, Leica M10-P and Leica M10-R Start Guide - Thorsten Overgaard's Leica Photography Pages - User Report and Review Page 5
The Online Photographer: Erwin Puts Says Farewell to Leica (?)
Leitz and Leica Lens Compendium & Leica Serial Numbers - Thorsten Overgaard's Leica Photography Pages
Leica, my point of view
Leica 75mm Summilux-M f/1.4 review, sample photos and article - Photographer Thorsten Overgaard's Leica Photography Pages
Leica M11 Review Thorsten Overgaard - Page 1
The Online Photographer: 'The Leica Compendium' by Erwin Puts
Erwin Puts says bye bye Leica – Joeri van der Kloet
