Scope and Contents Series 1, Correspondence, relates directly to Robert Thomas Allen's work as an entomologist from the years 1963-1974. The correspondence relates to Allen's work with the United States Department of Agriculture, CIBA Agrochemical Company, the British Museum in London, Bowling Green State University, University of Arkansas, University of Illinois, University of Louisiana, Illinois State Natural History Survey, the Biosystematics Research Institute, The American Museum Natural History, Ohio...