Bowsfield, Hartwell. “EVANS, HARRISON, ROFES and THOMPSON (comps.), A Basic Glossary for Archivists, Manuscript Curators, and Records Managers”. Archivaria, vol. 3, no. 1, Jan. 1976, pp. 133-4, https://archivaria.dev.publicknowledgeproject.org/index.php/archivaria/article/view/10490.