The fonds consists of the following series: Pacific Northwest Bibliographic Center (1972-1984), British Columbia Library Association (1983-1987), B.C. Newspaper Project (1983-1988), B.C. Post Secondary Interlibrary Loan Network (1974-1995), Pacific Northwest Library Association (1978-1986), Interlibrary Loan; General (1976-1995), Miscellaneous (1981-1994), and Librarians Representative on Senate (2002-2011).

The fonds consists of records that Rothstein created and received as student, teacher, librarian, researcher and administrator. It includes correspondence, reports, handwritten notes and drafts, talks and articles, both published and unpublished ones, minutes of various meetings, photographs, research projects, talks and articles and biographical information. The fonds is arranged into 12 series: UBC School of Librarianship, Accreditation, Course Materials, UBC Library, UBC Committees, External Committees, Correspondence, Personal, Talks and Articles, Publications, and Photographs.