The Michael Avallone Collection dates from 1941 to 1982 and consists of various correspondence, notes, newspaper articles, and book reviews. The collection was originally filed in the Michael Cook Collection (MS 0038) but was separated out May 22, 1989.
The Michael L. Cook Papers contains a few items of correspondence and manuscript material related to the author's work. The bulk of the original donation by Michael L. Cook was separated into MS 0109, the Michael L. Cook Colletion on Michael Avallone.