This collection contains books and other material on the International Citrus Symposium, which met to discuss the citrus industry. Mostly contains information from the proceedings of the International Society of Citriculture and the International Citrus Congress.

The collection consists of reports, conference transcripts and summaries related to the Colorado River Basin Water Quality Control Project.

This collection contains newspaper clippings, flyers, lists, leaflets, budgets, articles, receipts, proposals, and other material on the Tomás Rivera Conference, which is held once a year to commemorate the achievements of Tomás Rivera, former UCR chancellor, and his wife, Concha Rivera. Mostly contains information on the events that occur during the conference as well as the banquet in Tomás Rivera’s honor.

The collection consists of symposia, reports, and reprints relating to geothermal resources, fluid flow, and heat transport.

This collection contains newspaper clippings and conference papers related to the "Seminario Internacional Escenarios Politicos de la Transición a la Democracia," a seminar held in July of 1989 that discussed the various political transitions from socialism to democracy occurring in Latin America.

This collection contains schedules and proceedings from the "Seminario Partidos Políticos en los Procesos de Democratización," a seminar on the democratization of political parties in Paraguay held in 1989 and organized by the Grupo de Trabajo de Partidos Politicos (CLACSO) and the Centro Paraguayo de Estudios Sociologicos (CPES).