including Leica Product Range (2019), Leica V-Lux 30 (2011), Leica D-Lux 5 (2010), Leica M-System (2014), Photography Product Catalog 08/09, Leica Illustrated Sales Arguments, together with mid 20th century Leitz historical and technical articles, several instruction books, several Amateur Photographer magazines and non-Leica photographic booklets