The night Cedrick Hardman and the 49ers ransacked the Rams
Pro Football Journal: Cedrick Hardman—Another Fine Pass Rusher Gone Too Soon
Cedrick Hardman Football Cards
49ers: The All-Time team in San Francisco History
Former 49ers, Raiders defensive end Cedrick Hardman passes at 70
Cedrick Hardman Football Cards
Cedrick Hardman - All-Time Roster - History
Ex-49ers lineman Cedrick Hardman asked that brain be part of CTE study
Cedrick Hardman - Wikipedia
Pro Football Journal: Cedrick Hardman—Another Fine Pass Rusher Gone Too Soon
All-Time Team - San Francisco 49ers
Adjusting all-time player sack rankings for era using my Sack Index, by Jason Pauley