The contents of manuscript collection MS 474 (Arthur H. Hays) were transferred to MS 574 in 1995. The collection now contains 6 boxes, box- 1-4 personal papers and photographs, box 5 - Kuna history and box 6 - oversize photos.
Heyburn, Weldon Brinton, 1852-1912. Shoup, George Laird, 1836-1904. Perrine Bridge (Twin Falls, Idaho) United States-Politics and government-1865-1933. Idaho-Politics and government-History-Sources.
Correspondence, subject files, scrapbooks, clippings and memorabilia concerning Smith's political life. Includes material relating to the Perrine Memorial Bridge (Twin Falls, Idaho), W.B. Heyburn, and George L. Shoup.