Gustave Percival Wiksell (1863-1940) was a Boston dentist who also served as president of the Walt Whitman Fellowship from 1903 until 1919. The Gustave Percival Wiksell miscellaneous material related to Bliss Carman, F. B. Sanborn, and R. W. Trine contains letters, photographs, and clippings that were originally laid in books that were part of Wiksell's collection.