Caring for Cellulose Nitrate Film, Conserve O Gram
https://www.nps.gov/museum/publications/conserveogram/14-08.pdf
Duplication of Historical Negatives, Northeast Document Conservation Center
https://www.nedcc.org/free-resources/preservation-leaflets/6.-reformatting/6.2-duplication-of-historical-negatives
Filmcare.org, Image Permanence Institute
https://www.filmcare.org/
Identification of Film-Base Photographic Materials, Conserve O Gram
https://www.nps.gov/museum/publications/conserveogram/14-09.pdf
Photographic Negatives: Nature and Evolution of Processes, Image Permanence Institute
https://www.imagepermanenceinstitute.org/webfm_send/302
Preserving Film Collections for the Future: A Web Application, Connecting to Collections Care Webinar
https://www.connectingtocollections.org/preserving-film-collections/
A Short Guide to Film Base Photographic Materials: Identification, Care, and Duplication, Preservation Leaflet
https://www.nedcc.org/free-resources/preservation-leaflets/5.-photographs/5.1-a-short-guide-to-film-base-photographic-materials-identification,-care,-and-duplication
