Scope and content Papers of William S. and William N. Barnard, including illustrated notes on local fauna made by William S. Barnard while in Brazil in 1870; correspondence relating to the Barnards from 1883-1913 and 1935-1936; transcripts of testimony in patent infringement lawsuits; and patents awarded to William S. or William N. Barnard. Much of the correspondence concerns patents and patent infringements; letters of 1935-1936 concern research on William S. Barnard. Correspondents include Burt Green...