Collection includes index cards listing contents of materials deposited, and sometimes also donor information, restrictions, notes, and often includes letters relating to the collection. Many collections and books listed in these entries eventually became part of Houghton library when the Widener Library Treasure Room collection was transferred to Houghton; some of the materials were transferred elsewhere.

Mechanicals and related materials for an exhibition catalog written by Evro Layton and produced by the Harvard College Library.

Proofs and related material for the exhibition catalog, Illuminated & Calligraphic Manuscripts.