The R.B. Warren, Animal Science Papers consists of membership rosters, competition scores, and team photographs of the University of Nebraska Livestock Judging Teams from 1909-1995. The papers contain glass slides and negatives of animal husbandry presentations on horses and livestock temperature. Significant materials include a unique 1883 tintype of cow, known as Nellie Hopewell, sweepstake winner of the Danville, Illinois Fair.