The Use of Ropes and Tackle

by Homer J. Dana; W. A. Pearl

Knotting and Splicing Ropes and Cordage, Paul M. Hashuk—Cassel & Co., New York.

Knots, A. F. Aldridge, The Rudder Pub. Co., New York.

Knots, Splices, and Rope Work, A. Hyatt Verril,—Norman W. Henly Pub. Co., New York.

Rope and its Use on the Farm, J. B. Frior—Ag. Exp. Sta. Bul. No. 136, Univ. of Minn.

Knots, Hitches and Splices, Howard W. Riley, Cornell Reading Courses, New York State College of Agriculture, Ithaca, New York.

Story of Rope, Plymouth Cordage Co., North Plymouth, Mass.

Rope Knots and Hitches, MacGreggor Smith, College of Agriculture, Univ. of Saskatchewan, Saskatoon, Canada.

Problems in Physics, War Department Committee on Education and Special Training, Washington, D. C.

Kent’s Mechanical Engineers Hand Book, John Wiley & Sons, New York.

Encyclopedia Britannica.