Grim Commerce: Scalps, Bounties, and the Transformation of Trophy-Taking in the Early American Northeast, 1450-1770 January 2013 in “ CU Scholar (University of Colorado Boulder) ” Margaret Haig Roosevelt Sewall Ball We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on scholar.colorado.edu →