Attorney and amateur naturalist. Photographs of Labrador and Texas.

Piper's notes on Western ballads, with music for some; other folk materials including rhymes, riddles, games, folk sayings, quadrille calls, slang, superstitions, and folk remedies.

Poet and editor. Books, manuscripts,clippings, correspondence.

Poet (numerous books from Worn Earth, 1932), editor of the O. Henry Prize Stories, 1954-1959, director of the Iowa Writers' Workshop, 1941-1967, and co-founder and director of the International Writers' Program, 1967-1976 at the University of Iowa. Literary manuscripts, correspondence, subject files, and student works documenting his career as a writer and teacher.

Correspondence, speeches, reports, business records, articles, campaign materials, fact sheets, form letters, directives, telegrams, pamphlets, press releases, clippings, and other related material concerning the party and the national election of 1948.