# Photos of F. Holland Day: Developing a Materials-Based Catalog Raisonne

The Library holds the largest collection of photographs by F. Holland Day in the world, a gift from his estate spanning his career and comprising six hundred and ninety prints. The methodology for acquiring material information and the results of paper texture analysis, a new technique in field of conservation, as well as new findings pertaining to Day's working methods are discussed.

- Kind: Talk
- Year: 2013
- By: Library Of Congress
- Genres: Education
- Archive: [Library of Congress](https://www.loc.gov/item/2021689217/)
- Licence or status: Rights statement at the Library of Congress (as the archive states it)
- Credit: Library of Congress
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/loc/2021689217?play=1)