One of the most important American novelists of the first half of the 20th century. Won the Pulitzer in 1922 for her novel, One of Ours; wrote My Antonia, etc. ALS, one page, 5 x 8.5, Grosvenor Hotel letterhead, no date. Cather responds to an autograph request. In full, “If you will send your book to me at this address within ten days, I will autograph it for you.” Cather ads at the bottom, “Please send addressed return wrapper.” Double matted and framed with a portrait of Cather, to an overall size of 16.5 x 14. In fine condition, with a light shade of overall toning and mirrored staple hole above and below horizontal mailing fold. R&R COA.