R.C. Buff's Knot on the Square by Joseph K. Schmidt

Rufus Claude Buff, due to his love for ropes and knots, has become affectionately known as "The Wizard of Knotsville" because he lived in Knoxville, Tennessee. He was a prolific contributor to books and periodicals. Buff published his own magazine called The Modern Magic as well as Buff's Leaflets. He started writing this book which Joseph K. Schmidt finished and illustrated.