The encyclopedia of football /
by Roger Treat.
- 13th rev. ed. / revisions edited by Pete Palmer.
- South Brunswick, N.J. : A. S. Barnes, c1975.
- 701 p. : ill. ; 27 cm.
First published in 1952 under title: The official National Football League football encyclopedia; in 1959 and 1961: The encyclopedia of football; in 1964-73: The official encyclopedia of football.