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Intergovernmental Organization Data, 1816-1964

Principal Investigator(s): Wallace, Michael; Singer, J. David

Summary: This data collection describes the membership status of 148 nations in 237 inter-governmental organizations (IGO) that were extant in the 30 five-year periods from 1815-1967. Each nation is coded at five-year intervals for membership types, such as full or associate membership in the particular IGO, and membership or nonmembership in the international system. (view details)

Persistent URL: http://dx.doi.org/10.3886/ICPSR05520

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