File:Polity data series map 2011.svg - Wikimedia Commons
Cross-Polity Time-Series Data (MIT Press): 9780262523844: Banks, Arthur S.: Books - Amazon.com
Autocracy, Oligarchy, & Democracy - ppt download
A few comments on democracy indices and Turkey | Erik Meyersson
PolityProject
PolityProject
P4cReports
ggplot2 - Mapping in R with Web Scraped Data - Stack Overflow
Center for Systemic Peace - Pardee Wiki
PolityProject
Data-Driven Local Government Consultants | POLITY
2013 Polity IV Scores by Country
PolityProject
Polity data series - Wikipedia
Polity: "The USA has dropped below the "democracy threshold" (+6) on the POLITY scale in 2020 and is now considered an anocracy (+5). It has also lost its designation as the world's
Democracy - Our World in Data
Quickly play with Polity IV and OECD data (and see the danger of US democracy) | Andrew Heiss
Polity data series - Wikipedia
Polity data series - YouTube
Vox's CIA-Backed 'Democracy' Standard Is OK With Slavery and Women Not Voting - FAIR