University of North Carolina - Chapel Hill; Southern Historical Collection (SHC), Wilson Library. Duke University; Rare Book, Manuscript, and Special Collections, William R. Perkins Library.University of Virginia; Special Collections, Alderman Library.Princeton University; Rare Books and Special Collections, Princeton University Library. City of Austin (TX) Parks and Recreation Department - O. Henry Museum.The Friends of the O. Henry Museum (Austin, TX).Austin History Center, Austin (TX) Public Library - Finding Aid. (1,205kb .pdf file)Publications by O. Henry available on the World Wide Web.