By A Mystery Man Writer
Elk Hair Caddis - Fly Tying Al Troth's Original Dry Fly Pattern
Elk Hair Caddis Baker's Dozen Tying Pack – Ventures Fly Co
Fly Tyer Magazine
Elk Hair Caddis - Blue Ribbon Flies
Al Troth Catalog 1979, The Tying Bench
Elk Hair Caddis - Rocky River Trout Unlimited
4 Great Elk Hair Caddis dry flies for trout and grayling
Al Troth Catalog 1979, The Tying Bench
Troth, designer of elk-hair caddis fly, dead at 82
Elk Hair Caddis
Fly Tyer Magazine
Remembering Al Troth, Inventor of the Elk-Hair Caddis - Orvis News
Al Troth, inventor of elk hair caddis fly, leaves mark on sport
Troth's Elk Hair Caddis - RiverKeeper Flies