Donald Moffitt was an author whose writing career spanned the late 1950s through the 2010s. Best-known for works of science fiction, his writing spanned a variety of genres, including pulp, mysteries, and espionage and historical fiction. His papers provide valuable insight into his life and creative process through a comprehensive collection of his manuscripts, both published and unpublished, in addition to select correspondence and other personal materials.

This collection contains stories written by Homer Eon Flint, both in published form and as draft submissions to his editors; professional correspondence; personal photographs; financial records; notes and sketches of Flint's inventions; as well as writings about Flint.