1. A Story That Began a Long Time Ago;Leather Resource LLC,2008
2. History of Leather;Simply Leather (Wales) Ltd,2006
3. Why Leather?: The Material and Cultural Dimensions of Leather,2014
4. Conservation of Leather and Related Materials;Kite,2006
5. Synthetic Leather Market Analysis By Product (PU, PVC, Bio based), By Application (Furnishing, Automotive, Footwear, Bags & Wallets, Clothing, Others), By Region, And Segment Forecasts, 2014–2025;Grand View Research,2017