The collection consists of materials relating to his work with research and production of small grains such as wheat, oats, and flax, and in particular the development of Hope Wheat. In addition, the collection contains biographical information about McFadden and his writings and speeches.

Head sections of New Era Barley, the barley is part of Edgar S. McFadden's research

Two head sections of cross-pollinated barley (No. 1), the barley is part of Edgar S. McFadden's research