1973 Schaefer 500 at Pocono Official Souvenir Program

1973 Schaefer 500 at Pocono Raceway Program with Vintage Ads- VG

Vintage 1973 Schaefer 500 at Pocono Official Souvenir Program Indy Car Race

1973 Schaefer 500 at Pocono Raceway Program

Schaefer 500 at Pocono Official Souvenir Program July 1, 1973

Schaefer 500 at Pocono Raceway Official Souvenir Program July 1 1973 Joe Leonard

1971 Race Program Pocono Schaefer 500 Inaugural Race

1973 Schaefer 500 at Pocono Speedway Program