Consists of manuscripts, both bound and unbound, mostly oversize, and artwork/ephemera housed in a variety of oversize containers.

Series 1 primarily pertains to the land and water rights of specific American Indian tribes or peoples. Most of the communities represented by Byler are native to the Southwest, especially Arizona, though issues related to tribes and peoples residing in Washington state, the Midwest, and the Southeast are also documented.

The Research Materials series contains materials collected by Hirschman as he conducted his research. The majority of the series is composed of photocopies and offprints of articles and reports, as well as some newspaper clippings, about Argentina, Brazil, Chile, Colombia, Mexico, and Latin America in general. These papers cover a range of economic, social, and political issues, providing views of the conditions in each country and the region. The series also includes articles about political theories, philosophies, and world economic and political history, and Hirschman's notes from his travels to Latin America.

The July 2009 Accession contains historical documents originating in the offices of the Linkages and Learning Team (Nicola Armacost, Director) and Presidents Mary Ellen Iskenderian, Nancy Barry, and Michaela Walsh. They pertain to workshops, programs, training, media coverage, and meetings. Materials include compact disks, correspondence, newletters, and reports.

The Special Projects and Library History series consists of records pertaining to special projects which have been undertaken under the oversight of the library, as well as materials which document the history of the library itself.