Nichols, J. 1997 Nikolaev and Starostin's North Caucasian Etymological Dictionary and the Methodology of Long-Range Comparison: an assessment Paper presented at the 10th Biennial Non-Slavic Languages (NSL) Conference, Chicago, 8–10 May 1997.
زبان‌های قفقازی زبان‌های قفقازی جنوبی Nichols، J. ۱۹۹۷ Nikolaev and Starostin's North Caucasian Etymological Dictionary and the Methodology of Long-Range Comparison: an assessment Paper presented at the ۱۰th Biennial Non-Slavic Languages (NSL) Conference، Chicago، ۸–۱۰ May ۱۹۹۷.