Correspondence and printed documents such as timetables, train orders, and rate sheets relating primarily to the Burlington, Cedar Rapids, and Northern Railway Company of Iowa.

Records of the oldest auto dealership in Iowa, including financial records, newsletters, and photographs.

Railroad employee and collector. Collection of publications, timetables, photographs, tickets, passes, and artifacts relating to the Chicago, Rock Island & Pacific Railway, as well as other railroads.

Mason City, Iowa, businessman. Correspondence and subject files documenting his business, political and civic interests. Topics include the Iowa Terminal Railroad and People's Gas and Electric Company of Mason City.

Civil engineer and surveyor. Diaries, surveyor notebooks, letterpress books, correspondence, postcards, terrain profiles, photographs, etc.

Records of the Cedar Rapids ticket agent for the railway, this collection consists of record books, correspondence with headquarters in Chicago, and correspondence dealing with problems of passenger transportation. Bulk dates are 1896-1899.

Records for the Milwaukee Road, Amtrak, and the B&O railroads, with some materials from the Elgin, Joliet and Eastern (EJ&E), the Central Railroad of New Jersey (CNJ), the Nickel Plate Railroad (NKP), and Acheson, Topeka and Santa Fe (AT&SF) lines from the 1880s to the early 1990s.

U.S. Senator from Iowa , and educator. Arranged in 9 series, the papers consist of subject files, casework files, issue statements, clippings, audio, visual, film and photographs during his term in office. Subjects of special concern to Clark range from Africa and international relations to agriculture and conservation, Democratic Party politics to the aged, and education to transportation.

Pioneer family from Cedar Rapids, Iowa. Typed transcriptions of diaries, letters, and cards describing life in early Johnson, Jones, and Linn counties in Iowa.

Railroadiana collection. Time tables, train registers, train orders, menus, tickets, etc.

Historian, journalist, railroad employee, and collector. Records, notes, correspondence, ledgers, financial accounts, legal papers, land profiles, etc. relating to the building and operation of the Union Pacific, Rock Island, and other railroads.

Timetables and track charts for the Atchison, Topeka, and Santa Fe, CSX Transportation, Conrail; Soo Line; Burlington Northern Santa Fe; and Wisconsin Central, Ltd. railroads.

Street railroad, electric light and steam power business in Ottumwa, Iowa. Maps, legal documents, correspondence, and subject files.

Railroad mechanic. Two diaries containing details about his daily work in the shops of the C.B.&Q. and C.D.&M. railroads, community news and gossip in Dubuque, Iowa, and personal matters.

Editor and writer on railroads. Speeches and articles.

Correspondence, photographs, memorabilia, etc. relating to the Civil War, railroading in the West, and the Alaskan gold rush.

U.S. Senator and Representative from Iowa. Primarily correspondence from his years in the House and Senate. Spanning a half century the topics range from Indian affairs to Oklahoma statehood, banking to the Panama Canal, and Republican Party politics to railroads.