1. 2010.54.12485 Object number: 2010.54.12485 Object name: poster; work on paper Title: For a Coming Extinction Maker: Bill Prochnow; Charles M. Scammon; Elizabeth Tobisch Date made: circa 1974
2. 2010.54.16337 Object number: 2010.54.16337 Object name: poster; work on paper Title: Marine Mammals of the Gulf of Farallones Maker: Pieter Arend Folkens; Bill Prochnow Date made: LATE 20TH EARLY 21ST CENTURY
3. 2010.54.22069 Object number: 2010.54.22069 Object name: poster; work on paper Title: The Bear Maker: Bill Prochnow; Edward S. Curtis Date made: 1975; LATE 20TH EARLY 21ST CENTURY
