50 years history of Polish sport club Unia Leszno. Main sports: speedway, football, volleyball, gymnastic, motors racing, cycling. 50 years of Sport Club Unia Leszno. Year: 1988.
Motor sport car racing book Autocourse 50 years of World Championship Grand Prix
"50 YEARS OF T.T. HISTORY" 1907 - 1956 ISLE OF MAN TT RACES BOOK - IoM TT
Motor cycle road racing book 50 years of T.T. History Isle of Man 1956
Vintage Sports Car Club A Celebration Of 50 Years Of Lotus Engineering 21/09/02
50 Years of T.T. History Isle of Man Motorcycle Racing 1956 Book
