This collection of speeches, correspondence, pamphlets, clippings, audiovisual material, and miscellaneous memorabilia was collected by historian Donald R. McCoy as a result of his research for the biography Landon of Kansas.

Kansas native Wint Smith, a lawyer by profession, served in the military and the United States Congress. This collection includes correspondence, records related to Smith's military and Congressional career, speeches, photographs, diaries, maps, and other related materials.