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"
Leica Q: In 2015 it was my favourite. How has it fared? - Macfilos
The Online Photographer: Erwin Puts Says Farewell to Leica (?)
Leica M11 Review Thorsten Overgaard - Page 1
Top Leica Expert Says Farewell: 'Soul of Leica Products Has Been Eradicated' | PetaPixel
Erwin Puts says bye bye Leica – Joeri van der Kloet