- The Non-Jewish Origins of the Sephardic Jews (Suny Series in Anthropology and Judaic Studies)
- The Ashkenazic Jews: A Slavo-Turkic People in Search of a Jewish Identity
- Judeo-Romance Linguistics: A Bibliography
- Jewish and Non-Jewish Creators of 'Jewish' Languages: With Special Attention to Judaized Arabic, Chinese, German, Greek, Persian, Portuguese, Slavic (
- Two-Tiered Relexification in Yiddish: Jews, Sorbs, Khazars, and the Kiev-Polessian Dialect (Trends in Linguistics. Studies and Monographs, 136)