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. Speaker Biography: Adrienne Lundgren is a senior photograph conservator in the Conservation Division of the Library of Congress. In 2012 she was awarded the Kluge Staff Fellowship by The John W. Kluge Center, which is given to one staff member annually to conduct independent research using the Library's resources and collections. Prior to joining the Library in 2002, she was a fellow in the Advanced Residency Program in Photograph Conservation at George Eastman House in Rochester, New York. She holds an M.S. in conservation from the Winterthur-University of Delaware Program in Art Conservation. For transcript, captions, and more information, visit www.loc.gov/today/cyberlc/feature_wdesc.php?rec=6236