Collection contains photographs of Cornell University campus, students, activities, professors, athletics, and waterfalls, taken by Ada Buck when she was a student at Cornell. Campus buildings photographed include Sibley Hall, Goldwin Smith Hall, Sage Chapel, Boardman Hall, and Balch Hall.

Patents, articles and clippings concerning electrical engineering; correspondence with Arthur A. Allen, catalog of glass negatives and photo albums.

Approximately 400 photographic prints on the topics of climate change, biodiversity, endangered wildlife, and vanishing glaciers.