Levin, Beth C., "On the Nature of Ergativity", dissertation,, 1983 May

Levin, Beth C., "On the Nature of Ergativity", dissertation,, 1983 May, Box: 3, Folder: 22. Nora England Papers, 2023-17. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/395196 Accessed September 26, 2026.