Among the Special Collections at Zach S. Henderson Library (Statesboro) is the Delma E. Presley Collection featuring the papers of Dr. Francis Harper, including "field notebooks, correspondence, photographs, and audiovisual materials documenting the plant life and culture of the Okefenokee Swamp."
"Photographs depicting Okefenokee plantlife and culture taken by Cornell-trained naturalist Francis Harper from 1912-1951. The photographs were used in Okefinokee Album (sic) co-authored by Francis Harper and Delma E. Presley and published by the University of Georgia Press in 1981." This digital collection offers individual photographs as well as a slideshow primarily depicting the Chesser family on the website and you may create a free account to view other materials.