Bellah represented the Stanford Cardinal track and field team and San Francisco Olympic Club, and later Multnomah Athletic Club of Portland, Oregon. He was United States pole vault co-champion in 1911 and sole champion in 1915.
- "Sam Bellah Bio, Stats and Results". Sports Reference LLC. Retrieved November 22, 2014.
- "Sam Bellah Is After Record". The Spokesman-Review. August 29, 1915. Retrieved November 22, 2014.
- Mallon, Bill; Buchanan, Ian; Track & Field News. "A History Of The Results Of The National Track & Field Championships Of The USA From 1876 Through 2011". Track & Field News. Retrieved November 18, 2014.
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