http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the ... annual Convention of the Southwestern Political and Social Science Association
Southwestern political and social science quarterly
Southwestern Political and Social Science Association
Proceedings and papers of the 1st-4th annual conventions, 1920-1923, were not published separately, but appeared in: Southwestern political and social science quarterly, v. 1-4; features of the 5th convention, 1924, were also published in the quarterly, v. 5.