Arrangement
This collection is arranged in 8 series. The materials are arranged alphabetically within each series.
- Series 1. Personal papers
- Series 2. Personal correspondence
- Series 3. Incunabula in American Libraries: A Second Census of Fifteenth-century Books Owned in the United States, Mexico, and Canada – documentation and correspondence
- Series 4. Other writings
- Series 5. Essays and talks
- Series 6. Notes
- Series 7. Specimen pages
- Series 8. Subject files