Crockett, H.G. The Modern Boot and Shoe Maker: A Complete Guide to Design and Manufacture, Hand and Machine Repairing, Shopfitting and Stocking, Retailing. Glasgow: Gresham Publishing Company, 1919.

Crockett, H.G. The Modern Boot and Shoe Maker: A Complete Guide to Design and Manufacture, Hand and Machine Repairing, Shopfitting and Stocking, Retailing. Glasgow: Gresham Publishing Company, 1919.