References

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Kogan, Leonid - Maria Bulakh. Soqotri // The Semitic Languages. Second Edition. ed. by John Huehnergard – Na’ama Pat-El, Routledge: London – New York, 2019, pp. 280-320
L. Kogan. Proto-Semitic Phonetics and Phonology. In: S. Weninger (ed.), The Semitic Languages. An International Handbook. Berlin/Boston, 2011. Pp. 54-151.
L. Kogan. Genealogical Classification of Semitic. Boston–Berlin, 2015
Kogan L. E. Soqotri Lullabies. Orientalistica. 2020;3(2):443–456.