https://www.esri.ie/system/files/publications/RB202025.pdf
https://www.veblen-institute.org/IMG/pdf/aubert_hdef.pdf
https://knowledge.wharton.upenn.edu/article/shropshire-athlete-activism/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-09-15
https://www.politico.com/f/?id=00000180-874f-dd36-a38c-c74f98520000