GILBERT, William S., Sir (1836-1911). Autograph letter signed ("W.S. Gilbert"), to an unnamed recipient. Grim's Dyke, 21 July 1904. 2 pages, 8vo, bifolium, on Grim's Dyke Harrow Weald stationery, a few pale stains, light pencil notes in blank space below signature. Gilbert advises an author to send his manuscript to a publisher.