Sourdough Sam (San Francisco 49ers), SportsMascots Wikia
Most NFL teams have an official mascot. What is the name of the 49ers mascot?
49ers mascot Sourdough Sam tells all about performing at Levi's Stadium without fans
Regarding Sourdough Sam, the Last Fan Standing At Levi's
49ers mailbag: Will Mullens pass for 300 yards on Giants?
L.A.Times Crossword Corner: Wednesday, Mar 6 2013, Robin Stears
Sourdough Sam Santa Clara CA
San Francisco 49ers – Steve's Hallmark
San Jose Public Library tries to score with new 49ers card
Sourdough Sam Santa Clara CA