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Author

Robert Troppmann

4 books found

Placeholder cover for On being a kid in San Francisco

On being a kid in San Francisco

Robert Troppmann · First published 2010

Cover of Football's new master defense guide

Football's new master defense guide

Robert Troppmann · First published 1983

Cover of Winning football drills for offensive and defensive linemen

Winning football drills for offensive and defensive linemen

Robert Troppmann · First published 1973

Placeholder cover for Football's master defense guide

Football's master defense guide

Robert Troppmann · First published 1969