Different construction methods for shoes – Saphir Médaille d'Or
Guide - Methods of shoe construction - Shoegazing.com
Know Your Shoe Constructions - Blake, Goodyear, Stitchdown, and More
Why Goodyear Welt Construction Matters | Thorogood USA
Anatomy of the Shoe
Bradshaw & Lloyd - There are various forms of shoe construction, but goodyear welting is universally regarded as the best. The name is confusing as the name goodyear suggests rubber, as per
Guide - Methods of shoe construction - Shoegazing.com