- The Non-Jewish Origins of the Sephardic Jews (Suny Series in Anthropology and Judaic Studies)
- Two-Tiered Relexification in Yiddish: Jews, Sorbs, Khazars, and the Kiev-Polessian Dialect (Trends in Linguistics. Studies and Monographs, 136)
- The Ashkenazic Jews: A Slavo-Turkic People in Search of a Jewish Identity
- Studies in Yiddish Linguistics
- Judeo-Romance Linguistics: A Bibliography