The Brunn mss., 1879-1921, are the letters and poems of James Whitcomb Riley, 1849-1916, poet, sent to Elizabeth D. Kahle, 1861?-?, of New Brighton, Pennsylvania.
The Hitt mss., 1891-1938, consists primarily of letters from poet James Whitcomb Riley, 1849-1916, to journalist George Cooper Hitt, 1851-1944. George C. Hitt & Co. published Riley's first book, The Old Swimmin'-hole and'Leven More Poems, in 1883.
The Jameson, M. mss., 1875-1931, consists primarily of letters to author Booth Tarkington, 1869-1946, or to his sister, Mary "Haute" Booth (Tarkington) Jameson, 1881-1937, writer, suffragist, and clubwoman.