How to Trap and Snare: A Complete Manual for the Sportsman, Game Preserver, Gamekeeper, and Amateur on the Art of Taking Animals and Birds in Traps, Snares, and Nets; With Numerous Illustrations. E-book. Formato PDF William Carnegie   -  Forgotten Books, 2017  - 

An efficient and humane method of catching hawks, the birds being taken uninjured. Kestrels can, therefore, be liberated if desired.