Software Open Access
R package that provides access and tools to extract information from the Intergovernmental Organizations Database (IGOs), version 3, provided by the Correlates of War Project.
Pevehouse, Jon CW, 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.