Here are some up to date and reliable links to the book:
The Art of Cutting and Fitting
John King Wilson
https://archive.org/details/kingwilsoncuttingfitting1958
https://www.scribd.com/document/306187268/1950-Art-of-Cutting-and-Fitting-A-Practical-Manual-Wilson-pdf
Or you can purchase a hard Copy:
https://www.amazon.com/Art-Cutting-Fitting-Practical-Manual/dp/1019352337