Author/Date	Keywords	Findings	Application to Questions2
Andris, et al./2015	party cooperation	Roll-call data	V: I & D = C & T
Bowen/2014	TDPs & GIS	Measurement proof	V: I & D = C & T
Brunell, et al. /2016	pty. polarization	Political rivalry	V: I & D = C & T
Carson, et al. 2007	house polarization	Gerrymandering	Data = all questions
DeVault/2013	trade liberalization	Polarization in trade	V: I no D = C
Edger/2016	rep. behavior	Roll-call study	All data = VIDCT
Elzar/1991	federalism	Founding Fathers	Only I & D = C
Engstrom/2020	methods, courts	favoritism	V: I & D = C
Ferkaluck/2022	coop federalism	competitiveness	V: I & D = C
Forgette & Winkle, 2006	voting rights	Violated rights	Methods = V I D & T
Friedman & Holden/2008	gerrymandering	Crack no pack	V: I & D = C & T
Herschlag et al./2020	methods of redistricting	Quantifying boundaries	V: I & D = C & T
Kamarck/2018	gerrymandering	History	V: I & D = C & T
Karch/2007	commissions	Bipartisan groups	V: I & D = C & T
Krasno/2019	drawing lines	Diluted votes	V: I = C & T
Masket et al./2012	trade policies	Polarization	V: D = C & T
McCarty et al./2009	redistricting	Less polarization	V: D = T
McDonald/2009	protection Clause	14^th Amendment	V: I & D = C & T
McGhee/2020	polarization	Political Science	V: I & D = C & T
McLaughlin et al./2017	biblical perspectives	Television media influences voters	V: D = C & T
Menter/2021	racial biases	Gerrymandering	V: I & D = C & T
Puppe & Tasnadi/2009	packing and cracking	Constraints on redistricting	V: I & D = C & T
Pyeatt/2015	polarization	Trade restraints	V: I = C & T
Rambo/2021	redistricting	Commissions	V: I = C & T
Saxon/2020	measurements	Election results	V: I & D = C & T
Spann/2020	states	Supreme Court	V: I & D = C & T
Spencer/2022	redistricting lines	Boundary sources	V: I & D = C & T