Links
The 2020 Iowa Caucuses
The Iowa Democratic Party Delegate Selection Plan (PDF)
David Redlawsk op-ed in the Des Moines Register describing some of the planned 2020 changes
The 2016 Iowa Caucuses
2016 Iowa GOP by-laws including Delegate Selection rules
2016 Iowa GOP Polling Summary - Realclearpolitics.com
2016 Democratic Polling Summary - Realclearpolitics.com
P2016 Race for the Qhite House - Iowa
The 2012 Iowa Page - Democracy in Action, George Washington University
2012
Iowa Polling Summary - Realclearpolitics.com
Academic Work on the Caucuses
2008 Reforming the Presidential Nomination Process Conference at the University of Iowa
University of Iowa Hawkeye Poll Release Archive - Including 2007-2008 Caucus and general election surveys, as well as more recent election news.
Books about Iowa specifically and the presidential nominating process
generally
(Links point to the book's page on Amazon.com)
John H. Aldrich: Before the Convention: Strategies and Choices in Presidential Nomination Campaigns
John Baron: Vote for Me! The Long Road to the White House
Marty Cohen, David Karol, Hans Noel, and John Zaller: The Party Decides: Presidential Nominations Before and After Reform
Christopher Hull: Grassroots Rules: How the Iowa Caucus Helps Elect American Presidents
Elaine C. Kamarck: Primary Politics: How Presidential Candidates Have Shaped the Modern Nominating System
William G. Mayer and Andrew E. Busch: The Front-Loading Problem in Presidential Nominations
Barbara Norrander: The Imperfect Primary: Oddities, Biases, and Strengths of U.S. Presidential Nomination Politics
John C. Skipper: The Iowa Caucuses: First Tests of Presidential Aspiration, 1972-2008
Peverill Squire: Iowa
Caucuses and the Presidential Nominating Process
Steven S. Smith and Melanie J. Springer: Reforming the Presidential Nomination Process
Hugh Winebrenner & Dennis Gifford: The Iowa Precinct Caucuses: The Making of a Media Event, Third Edition
Some sites with information about the 2008 or earlier Iowa Caucuses
Democracy in Action - George Washington University
George Washington University 2008 Caucus page
Pictures
from a 2008 Democratic Caucus in Iowa City
IowaPolitics.com 2008 Caucus Countdown
A blog about the caucuses from 2008
The Univ of Northern Iowa Caucus survey pages (Survey is now defunct, but the pages are up)
A well done journalist's blog on 2008
Des Moines register Iowa Caucus visits 2008
PBS Website on the 2000 Caucus
Videos
First Stop Iowa: A documentary on the 2008 Iowa Caucuses/p>