To find out more about the Iowa caucuses, check out some of the following sources:

• The Republican Party of Iowa
• The Iowa Democratic Party
• Iowa Public Radio is exploring the importance of Iowa and documenting the 2020 race in a new podcast, Caucus Land.
• To find out more about Des Moines and the caucus, visit the Iowa Caucus Consortium.
• Democracy in Action tracks past elections, staffing, and candidate visits.
• For a brief history and stunning historical photos, The Des Moines Register is the place to go.
• The Des Moines Register created the Three Tickets podcast in 2015, explaining the role of Iowa and how it became first-in-the-nation.
• For the true lover of politics and musical theatre, the original cast recording of Caucus! The Musical can be purchased on Amazon.
• For the reader, check out the following books about the Iowa caucuses:
  • Dennis Goldford and Hugh Winebrenner. 2010. The Iowa Precinct Caucuses: The Making of a Media Event. Iowa State University Press.
  • Rachel Paine Caufield. 2016. The Iowa Caucus. Arcadia Publishing.
  • David Redlawsk, Caroline Tolbert and Todd Donovan. 2010. Why Iowa? How Caucuses and Sequential Elections Improve the Presidential Nominating Process. University of Chicago Press.
  • Timothy Hagle. 2012. Riding the Caucus Rollercoaster. CreateSpace Independent Publishing.
  • Dave Price. 2013. Caucus Chaos.
  • John C. Skipper. 2009. The Iowa Caucuses: First Tests of Presidential Aspiration, 1972-2008.  McFarland and Company.
  • Christopher Hull. 2008. Grassroots Rules: How the Iowa Caucus Helps Elect American Presidents. Stanford University Press.