- These are a bunch of great resources that provide links to information on gerrymandering as well as interactive exercises to demonstrate how gerrymandering works
- Provides plenty of resources on gerrymandering, discusses three tests to assess how much a district is gerrymandered, and provides an interactive map display where you can explore the US and see which districts pass or fail these tests. Highly Recommend!
- Azavea is a Philly company focusing on "web-based geographic analysis and modeling applications for government (local, state and federal), non-profit and academic clients". They've got some interesting redistricting projects that are worth a look-see.
- A contest where anyone could submit his/her proposed map of how Philly should be redistricted. You can check out the winners, draw your own maps, and (of course) lots of links on gerrymandering.
- Has a bunch of information and also has a useful sidebar that shows recent cases dealing with gerrymandering
- Important metric developed by Nicholas Stephanopoulos and Eric McGhee for quantifying the effect of gerrymandering
- In case you don't want to read the whole paper up top, here's a good overview of how to calculate/conceptualize efficiency gap from the Brennan Center at NYU Law School
- From November 2016, a bit more technical, but explains some of the history of gerrymandering cases in court, outlines the efficiency gap, highlighting both its strengths and weaknesses, and introduces a couple of other tests for gerrymandering
- If podcasts are your thing, FiveThirtyEight has a bunch of episodes on the topic
- Opinion piece on the current political climate surrounding gerrymandering
- From 2014, Nick Stephanopoulos' perspective on why the efficiency gap is a useful and legally effective metric for identifying gerrymandered districts
- From March 2017, Bill Whitford's the plaintiff in the important Wisconsin case, Whitford v Gill, which was key in establishing the legitimacy of the efficiency gap.
- From 2016, article covers basic idea of gerrymandering and how an algorithm would make district maps without any gerrymandering going on (ideally)