Thinking About White Collar Crime: Matters of Conceptualization and Research https://www.ojp.gov/pdffiles1/nij/71090.pdf
Oligarchy in the United States? https://labor.history.ucsb.edu/sites/secure.lsit.ucsb.edu.hist.d7_labor/files/sitefiles/Page-Winters_Oligarchy%20in%20US_PoP_2009.pdf
Professor Michael Sugrue, Ph.D. https://www.thegreatcourses.com/professors/michael-sugrue/#:~:text=Michael%20Sugrue%20is%20Professor%20of,in%20History%20from%20Columbia%20University.
Kickstarter VS GoFundMe: Which Platform Is Best For Your Crowdfunding Campaign? Kickstarter VS GoFundMe: Which Platform Is Best For Your Crowdfunding Campaign?
Kickstarter vs. GoFundMe vs. Indiegogo https://grasshopper.com/resources/tools/crowdfunding-platforms-kickstarter-gofundme-indiegogo/