• (2019) Why Do People Give? by Abby Rolland; Indiana University
https://blog.philanthropy.iupui.edu/2019/11/20/why-do-people-give/#:~:text=Accruing%20a%20social%20benefit%2C%20including,high%20regard%E2%80%9D%20by%20their%20peers
• (2016) The Science of Motivation by AsapSCIENCE; YouTube
https://www.youtube.com/watch?v=pZT-FZqfxZA
· (2015) The Science Behind Why People Give Money to Charity BY Michael Sanders and Francesca Tamma; The Guardian
https://www.theguardian.com/voluntary-sector-network/2015/mar/23/the-science-behind-why-people-give-money-to-charity
· (2015) Utopias, Past, and Present: Why Thomas More Remains Astonishingly Radical by Terry Eagelton; The Guardian
https://www.theguardian.com/books/2015/oct/16/utopias-past-present-thomas-more-terry-eagleton
· (2011) Ask a UT Psychologist (What Motivates People to Give) by The University of Texas at Austin; YouTube
https://www.youtube.com/watch?v=SEUIXl0BGIA