The Marcus S. Zuber Papers consist materials documenting Zuber’s career in corn breeding research. The collection is composed primarily of scrapbooks containing newspaper clippings, certificates, photographs, news releases, and correspondence. It also includes diplomas representing Zuber’s academic achievements, a B.S. from South Dakota State College, M.S. and Ph.D. degrees from Iowa State College, and an honorary degree from South Dakota State University, as well as a citation from the Army Service Forces for the Army Commendation Ribbon. These materials provide a detailed record of Zuber’s contributions to agricultural science and public recognition of his service and achievements.

Research notebook for N.E. Hansen's experiments with grasses, clovers, and forage that were conducted near the Hunter Salzer Farm by Mellet, South Dakota in 1897 with remarks about 1896. The first part of the notebook discusses his experiments on 38 plots, which included numerous varieties of grasses, oats, wheat, alfalfa, clovers, and corn. The notebook also details his research on an additional 64 plots of grasses and forage plants. The notes include his assessments of the varieties and comments regarding the weather.

Field research notebook of N.E. Hansen. Alfalfa, grasses, corn, flax, wheat, millet, sorghum and clover plats planted 1906. Some plats identified as being in Highmore, South Dakota. The notebook mentions plats that were taken from prairie land. Handwritten.