Series 1, Constitution and by-laws, contains original and revised versions of the Iota Sigma Pi constitution and by-laws from 1918-1972.



Series 2, History and rituals, contains the history publications of the organization and also includes revisions of the history and the revised initiation ritual.



Series 3, The Iotan, contains fifty-years of The Iotan, the Iota Sigma Pi newsletter, which conveys information about various chapters, individual members, and events.



Series 4, Membership, includes mailing lists, membership lists, mailing labels, and honorary membership information.



Series 5, Correspondence, contains general and chapter correspondence, detailing the administrative and programmatic activities of the organization.



Series 6, Financial records, contains dues lists, financial records and supply records.



Series 7, Administrative records, contains on award nominations, reports, membership directories, and operational guides.



Series 8, Meetings, contains Iota Sigma Pi convention agendas, handbooks and reports. The conventions, held every three years, date from 1918 through 2002. These records illustrate conference logistics and program interests.



Series 9, Chapter records, contains records, reports and correspondence for various chapters of Iota Sigma Pi.



Series 10, Printed materials, contains published newsletters by chapters and related organizations, as well as brochures, newspaper clippings, and scientific journal articles.



Series 11, Photographs, includes images (black and white, color, and slides) of chapter meetings, national officers and individual members.



Series 12, Marian College records, is connected with Iota Sigma Pi's Historian (1972-1999), Sr. Mary Rose Stockton, and her work at Marian College with the establishment and operation of the Cobalt Chapter, and the Student Affiliates group of the American Chemical Society. The records include the applications to Iota Sigma Pi for the chapter's charter (1930-1966), American Chemical Society correspondence, Iota Sigma Pi correspondence, regional meetings and programs prints of Student Affiliate/ACS meetings, and personal photographs of the family of Sr. Mary Rose.



Series 13, Artifacts, includes mugs, posters, seal presses and various other Iota Sigma Pi artifacts.



National organizations can provide invaluable evidence in the scholarly study of women in science. They provide documentation on the activities, priorities, and recognition that women scientists created for themselves in their own organizations, outside of the male-dominated scientific mainstream.