This collection contains materials from conservator and book artist Pamela Spitzmueller. It includes Pam’s bookbindings, conservation work (including Harvey's 1628 De motu cordis and the Nag Hammadi codices), research notebooks, personal journals, correspondence, and book arts scholarship. The collection also has records and keepsakes pertaining to the Paper and Book Intensive (PBI) and the Guild of Book Workers (GBW).

This collection contains materials from paper specialist Tim Barrett and includes paper samples, correspondence, research notes, and supplemental materials related to Tim's career and papermaking more generally. This collection was curated and organized by Tim Barrett. It reflects important periods in his career from its beginning through his tenure at the University of Iowa Center for the Book.