1. Remarks on operations on the gasserian ganglion, with a report of five additional cases Author(s): Keen, William W. (William Williams), 1837-1932 Publication: [Philadelphia? : s.n., 1896?] Subject(s): Trigeminal Ganglion -- surgeryPhiladelphia
2. Removal of the Gasserian ganglion as the last of fourteen operations in thirteen years for tic douloureux Author(s): Keen, William W. (William Williams), 1837-1932 Publication: [Philadelphia : s.n., 1894?] Subject(s): Trigeminal Neuralgia -- surgeryTrigeminal Ganglion -- surgery