Making this a trade so that if I change the title of the article in the revision process I can change it here as well. These sources are in no particular order.

Sources:

https://www.statmuse.com/nba/ask/wilt-chamberlain-vs-bill-russell

https://www.basketballnetwork.net/latest-news/shot-block-data-exists-for-112-nba-games-wilt-chamberlain-played-in-and-shows-how-dominant-of-a-player-he-really-was

https://www.essentiallysports.com/nba-basketball-news-us-sports-prime-shaquille-oneal-bench-pressed-50lb-less-than-bodybuilding-god-arnold-schwarzeneggers-career-best-number/

https://www.thesportscol.com/2017/05/george-marcus-dominated-pro-basketball-at-16-marcus-who/

https://www.latimes.com/archives/la-xpm-1986-07-11-sp-19894-story.html

https://www.insidehook.com/sports/remembering-wilt-chamberlain-pro-volleyball-career

https://tinyurl.com/wiltgreatestathletemedium (link very long so I shortened it)

https://www.sportscasting.com/news/lifting-cars-bare-hands-intimidating-arnold-schwarzenegger-weight-room-wilt-chamberlain-herculean-strength-epic/

https://www.bench-press.net/wilt-chamberlain-bench-press/

https://www.statmuse.com/nba/ask/who-has-the-highest-ppg-in-a-season

https://www.nba.com/news/history-nba-legend-wilt-chamberlain

https://www.basketball-reference.com/players/c/chambwi01.html

https://www.basketball-reference.com/leaders/blk_career.html

https://bleacherreport.com/articles/10017227-bill-russell-dies-at-age-88-hall-of-famer-won-11-nba-titles-with-celtics

https://www.nba.com/news/history-nba-legend-wilt-chamberlain