Davidson, James D.; Pyle, Ralph E.; Reyes, David V. (1995). "Persistence and Change in the Protestant Establishment, 1930–1992". Social Forces. 74 (1): 157–75 [p. 164]. doi:10.1093/sf/74.1.157. JSTOR2580627.
Davidson, James D.; Pyle, Ralph E.; Reyes, David V. (1995). "Persistence and Change in the Protestant Establishment, 1930–1992". Social Forces. 74 (1): 157–75 [p. 164]. doi:10.1093/sf/74.1.157. JSTOR2580627.
Sargent, Greg (December 9, 2019). "The massive triumph of the rich, illustrated by stunning new data". The Washington Post. Archived from the original on December 9, 2019. — Original data and analysis: Zucman, Gabriel and Saez, Emmanuel, The Triumph of Injustice: How the Rich Dodge Taxes and How to Make Them Pay, W. W. Norton & Company. October 15, 2019.
Sargent, Greg (December 9, 2019). "The massive triumph of the rich, illustrated by stunning new data". The Washington Post. Archived from the original on December 9, 2019. — Original data and analysis: Zucman, Gabriel and Saez, Emmanuel, The Triumph of Injustice: How the Rich Dodge Taxes and How to Make Them Pay, W. W. Norton & Company. October 15, 2019.