Wilkins, John Gilbert.
Research-Design in Nature. Volume 1 & 2.
Second and revised edition. 268 plates, with 18 in full color, showing over 5000 designs in 17 different subjects, both of design in nature and of primitive design drawings by 135 artists. With an Introduction and index by John Gilbert Wilkins. Chicago, John Gilbert Wilkins editor and publisher.
Wilkins taught at the School of the Art Institute, Chicago and the drawings are by his students. He produced the works at the Field Museum. The set is getting hard to find. Included is a pamphlet from the 1926 single volume edition that describes Wilkins’ teaching method.