The Political Typology: In polarized era, deep divisions persist within coalitions of both Democrats and Republicans | Pew Research Center
College Is a Dividing Line in Politics. Here's What You Need to Know.
Red Fighting Blue: How Geography and Electoral Rules Polarize American Politics: Hopkins, David A.: 9781316642146: Amazon.com: Books
This Is What the Future of American Politics Looks Like - POLITICO Magazine
How Every U.S. Election Became Existential - The Atlantic
2021 Election Map: NJ shifts right — and red | NJ Spotlight News
How Large Is the Divide Between Red and Blue America? - The New York Times
Analysis | Redistricting map tracker: A detailed look at the 2022 U.S. House map - Washington Post
America is exceptional in the nature of its political divide | Pew Research Center
Explainer: Red States, Blue States - YouTube
How San Diego's political map shifted from red to blue and what comes next | KPBS Public Media
The Red-State Disadvantage
The Red and the Blue: The 1990s and the Birth of Political Tribalism: Kornacki, Steve: 9780062438980: Amazon.com: Books
All or Nothing: How State Politics Became a Winner-Take-All World
Does the Red-State/Blue-State Model of U.S. Electoral Politics Still Work? - GeoCurrents
These nine voter groups show the political divide in America
Red States Outnumber Blue for First Time in Gallup Tracking
Why is red for Republicans and blue for Democrats? | Live Science
Red State Revolt – Verso
The Divide Between Red and Blue America Grew Even Deeper in 2016 - The New York Times
For progressives: In red states, make it about policy, not party: COLUMN - ABC News
The Red Years – Verso
What Painted Us So Indelibly Red and Blue?
GOP control of the House could deepen America's red-blue divide - Los Angeles Times
Blue Metros, Red States: America's Suburbs and the New Battleground in Presidential Politics | University of Nevada, Las Vegas
The key to understanding America's red-blue split isn't ideology or culture. It's economics. - The Washington Post
