title: Common problems and cooperative solutions. Organizational activity in evolutionary studies, 1936-1947.
authors: Program in History of Science and Technology, University of Minnesota, Minneapolis 55455.
authors: J A
authors: JA
authors: Cain
mesh_terms: D005075:Biological Evolution; D001695:Biology / Q000266:history*; D002965:Classification; D049673:History, 20th Century; D012958:Societies, Scientific / Q000266:history*; D014481:United States