Linebacker U Penn State Tradition Jack Ham as a Steeler
Top 10 all-time NFL players from Penn State
Penn State football: NFL legend Jack Ham anoints Nittany Lion walk-on
Not in Hall of Fame - 5. Jack Ham
60: Jack Ham, The Top 100: NFL's Greatest Players (2010)
Penn State Nittany Lions football - Wikiwand
Penn Staters in the NFL Hall of Fame
Meet PennLive's All-Pennsylvania All-Time Football Team
Looking Back On Jack Ham - The Athletes Hub
Which school is really Linebacker U?
Alabama football-Linebacker U-Derrick Thomas - Sports Illustrated