History of the Philadelphia Eagles. Born 1933.
Eagles – Riddell NFL Pocket Pro Helmets
On the Wings of Eagles — Todd Radom Design
The Gridiron Uniform Database: Old Wives' Tales and Urban Legends
Eagles – Riddell NFL Pocket Pro Helmets
Philadelphia - HELMET HISTORY
Philadelphia - HELMET HISTORY
Helmet Frontpiece, “Philadelphia Fire Dept. Engine Co. 26
Philadelphia Eagles Replica Speed 1969 - 1973
Philadelphia Eagles — Kalamazoo Public Library
The Gridiron Uniform Database