
"Bob Harper Goes Vegan" https://vegnews.com/2010/6/bob-harper-goes-vegan, interview with VegNews (June 14, 2010).
"Bob Harper of "Biggest Loser" talks diet, fitness" https://www.reuters.com/article/us-biggestloser/bob-harper-of-biggest-loser-talks-diet-fitness-idUSTRE78F2CV20110916, interview with Reuters (September 16, 2011).
"Bob Harper Goes Vegan" https://vegnews.com/2010/6/bob-harper-goes-vegan, interview with VegNews (June 14, 2010).
Interview, 1994; as quoted in Souls Like Ourselves by Andrea Wiebers and David Wiebers (Rochester, MN: Sojourn Press, 2000), p. 51.
Interview with ESPN’s Chauncey Billups; as quoted in "NBA players explain why they are going vegan and vegetarian" https://www.msn.com/en-us/sports/nba/nba-players-explain-why-they-are-going-vegan-and-vegetarian/ar-AAu21r4, MSN.com (October 25, 2017).
"Q & A with Tony Gonzalez: All-Pro Football Player on Plant-Based Diet, Slow Food + More!" https://www.mindbodygreen.com/0-1304/Q-A-with-Tony-Gonzalez-AllPro-Football-Player-on-PlantBased-Diet-Slow-Food-More.html, MindBodyGreen.com (August 24, 2010).
“James Wilks,” interview with Great Vegan Athletes (2013) http://www.greatveganathletes.com/content/james-wilks.
"Singer Heather Small reveals how her terrible allergies almost ruined her pop career," in the Mirror (20 June 2016) http://www.mirror.co.uk/3am/celebrity-news/singer-heather-small-reveals-how-8238723.
"Sunday Paper Exclusive: Tom Brady on the Mind of a Champion" http://mariashriver.com/tom-brady-on-the-mind-of-a-champion/, MariaShriver.com (2017).
Letter to Michelle Obama, in “NBA Champ Challenges FLOTUS to Take PETA’s Vegan Pledge,” in PETA.org (29 December 2015) https://www.peta.org/blog/nba-champ-challenges-flotus-to-take-petas-vegan-pledge/.
Foreword https://books.google.it/books?id=KfeoBAAAQBAJ&pg=PP10 to Marco Borges's The 22-Day Revolution, New York: Penguin, 2015