# Development & Research Applications for a Reference Collection of 20th Century Photographic Paper

Private conservator Paul Messier discusses several technical studies of 20th century photographs using a collection of photographic papers as a reference source.

- Kind: Talk
- Year: 2010
- By: Library Of Congress
- Genres: Science
- Archive: [Library of Congress](https://www.loc.gov/item/2021688412/)
- 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/2021688412?play=1)