Schwieberd, E – “A Book Of Trout Flies” 5th ed 1972, H/b, D/j, Pryce, T – “Fly Patterns And International Guide” 3rd ed 1997, S/b, Church, B – “Guide To Trout Flies” 2nd ed 1989, and 3 others by Church, Broughton and Perkins. (6)