This collection is composed of local, national, and foreign records of Joseph McAuliffe’s involvement in 4-H. Folders include newsletters, flyers, invitations, photographs, personal documents, newspaper articles and clippings, correspondence, notes, and pamphlets.

This collection consists of correspondence, writings, maps, field notebooks, and research projects conducted by Dr. Carter Johnson during his academic career. A large number of photographs, slides, and digital images of Johnson's research, and include various plants and trees growing in various locations throughout the United States, primarily the Rocky Mountains of Colorado, Badlands National park in western South Dakota, Itasca State Park in Minnesota, and North Dakota.

This collection is composed of one file folder of correspondence between W. Sigurd Opdahl and his wife, Goldie Opdahl while W. Sigurd worked at an airplane factory in California during World War II. It details his journey to Long Beach, California and his work in the airplane factory. She writes about the daily activities in Hayti, S.D. Also included is a letter from his daughter Lou Ellen Johnson. The letters are photocopies of the originals.

This collection consists of a leather-bound scrapbook belonging to 2nd Lt. Ward B. Bates and contains 139 documents, seventy-two maps, 263 photographs, and eighty-one picture postcards. The photographs cover Bates' time in training at his various duty stations. Some of the photographs include Bates and other officers enjoying their time on liberty before heading to the battlefield. Battlefield images are those taken by Bates as well as the personal pictures of Major Joseph Mills Hansen who was the Chief Historian of the A.E.F. Some photographs depict those dead after an assault. Documents include an assortment of U.S. Service Club membership cards and also Officer Club membership cards. The scrapbook holds Bates' honorable discharge paper from the Army National Guard. There are also numerous copies of various orders passed down to the many officers of field artillery. All orders pertained to the movement of the newly commissioned officers, including Bates. Orders came down from the War Department and would give time and place of the new duty station. Bates traveled from Ft. Dodge, Iowa, to Ft. Snelling, Minnesota. Other duty stations included Camp Logan of Houston, Texas and Camp Jackson of Columbia, South Carolina. General Order No. 23 in particular deals with Bates division once they reached Paris, France and how they were to go about setting up camp, care of personnel and supplies, and interaction with locals. There are also many newspaper clippings that document the events of World War I.

This collection is composed mainly of slides and photographs related to Gardner's research on virus diseases of plants, with a focus on wheat streak mosaic virus and tobacco mosaic virus. Also included is material related to crop injuries related to the environment and air pollution. Other material included publications related to his research.

This collection is composed of materials related to Dr. Gibbon’s research on developing fuels and chemicals from biomass as replacements for petroleum-based products. The bulk of the collection is article reprints, manuscripts, correspondence, and other material related to articles Gibbons submitted to scholarly journals. The clippings files consist of newspaper and magazine articles about ethanol and ethanol production. The photographs are mainly made up of ethanol and fermentation plants and equipment. Also included are manuscripts of Gibbon’s M.S. thesis and Ph. D. dissertation.