Influential novelist and playwright who wrote Babbitt, Elmer Gantry, Main Street, and other classics, and the first American recipient of the Nobel Prize in Literature. ALS signed “SL,” one page, 7.25 x 10.25, personal letterhead, September 1929. A letter relating travel plans to his friend, fellow author, and priest Father [Edward J.] Murphy. In full: “Present plans, at Hotel Monteleone, N. O., Nov. 6th–8th, before going to Lafayette, La., to lecture there on the 8th. Then on to San Antonio.” In very good condition, with mailing folds (touching signature), light toning (slightly more prominent in a few spots), light ink haloing to a few words, and remnants from a previous mounting on reverse. R&R COA.