This series contains a curriculum vitae, description of current research interests, newspaper clippings, letters to editor of the Daily Hampshire Gazette, and photographs.

This series consists of personal and professional correspondence with Smith presidents, colleagues and friends, organizations, and publishers. The letters are arranged according to the name of the correspondent or organization. Snoek's outgoing correspondence, if extant, is filed chronologically with the correspondence which he received it.

This series is divided into two sections: Smith and Beyond Smith.

Professional activities at Smith consists of collaborative work with Smith students, including their personal and professional correspondence with Snoek; new course proposals; consulting work for the Mary Holmes College Summer Enrichment Program and the Smith-Amherst Tutorial Program; course materials for Smith psychology classes; and the Project on Women and Social Change. They are arranged alphabetically.

Professional activities Beyond Smith include personal growth workshops at Powell House, the National Association for Pastoral Renewal, and others; and the Society for Values in Higher Education. They are arranged alphabetically.

This series consists primarily of texts of lectures, the lectures' accompanying graphics, psychological studies, journal articles, and book chapters. All materials in this series are arranged chronologically.

Speaking consists of lectures at academic institutions, professional conferences, and meetings of professional associations. Writing consists of published psychological studies, journal articles, and chapters for books.