This annex lists the IGOs (Pevehouse et al. 2020) and states in the Correlates of War state system (Correlates of War Project 2017) included with igoR.
IGOs
States
References
Correlates of War Project. 2017. State System Membership List, V2016. https://correlatesofwar.org/data-sets/state-system-membership/.
Pevehouse, Jon C. W., Timothy Nordstrom, Roseanne W. McManus, and Anne Spencer Jamison. 2020. “Tracking Organizations in the World: The Correlates of War IGO Version 3.0 Datasets.” Journal of Peace Research 57 (3): 492–503. https://doi.org/10.1177/0022343319881175.