1962: Indo-European Origins of the Celtic Verb, I: The Sigmatic Aorist. Eblanae: Dublin Institute for Advanced Studies, 1962
1969: Indogermanische Grammatik, III i: Geschichte der indogermanischen Verbalflexion (Heidelbergae: Winter)
1985: The American Heritage Dictionary of Indo-European Roots (Bostoniae: Houghton-Mifflin, ed. secunda, 2000) (Paginae selectae apud Google Books)
1987: (editor) Studies in Memory of Warren Cowgill (1929-1985) (Berolini: de Gruyter)
1992: "Historical linguistics and culture history", "Indo-European languages", "Stylistic reconstruction" in International Encyclopedia of Linguistics (Novi Eboraci: Oxford University Press)
Mír Curad, Studies in Honor of Calvert Watkins edd. J. Jasanoff, H. C. Melchert, L. Oliver. Aeniponti: Innsbrucker Beiträge zur Sprachwissenschaft, 1998.
Nexus externi
Vita apud universitatem Californiensem Angelopolitanam