https://www.census.gov/content/dam/Census/library/publications/2019/demo/p60-266.pdf
https://www.europarl.europa.eu/at-your-service/files/be-heard/eurobarometer/2019/parlemeter-2019/executive-summary/en-parlemeter-2019-executive-summary.pdf
https://www.icij.org/investigations/ericsson-list/ericsson-leak-isis-iraq-corruption/
https://rlo.acton.org/archives/125251-milton-friedman-the-conservative-institution-builder.html