³ÉÈËÊÓƵ

Richards was an admirer of Dr. Hansen and often stopped to visit him in his office. After Dr. Hansen's death in 1950, David asked for and received, permission to keep a few souvenirs and then dug through the trash filling several boxes with papers of historical value.

This collection is composed South Dakota Agricultural Experiment Station bulletins, circulars and reports, manuscripts, correspondence, catalog descriptions, transplanting cards, research projects and material related to the South Dakota Horticultural Society, collected Russian publications, seed catalogs, clippings and photographs.