Gudava, T. E. Consonantism of the Andian Languages: Historical-Comparative Analysis (Konsonantizm andiyskikh yazykov: Ist.-sravnit. analiz), 1964. In Russian

Гудава Т. Е. Консонантизм андийских языков: Историко-сравнительный анализ. (Акад. наук ГрузССР. Ин-т языкознания).
Тбилиси : Изд-во Акад. наук Груз. ССР, 1964.
221 с. Твёрдый издательский переплёт, обычный формат. Тираж 1000 экз.
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Gudava, T. E. Consonantism of the Andian Languages: Historical-Comparative Analysis (Konsonantizm andiyskikh yazykov: Ist.-sravnit. analiz). (Academy of Sciences of the Georgian SSR. Institute of Linguistics).
Tbilisi: Publishing House of the Academy of Sciences of the Georgian SSR, 1964.
221 pp. Hardcover, standard format. Print run: 1,000 copies.

This 1964 monograph by the renowned linguist Togo Gudava is a cornerstone of Caucasian comparative linguistics. Published in Tbilisi by the Academy of Sciences of the Georgian SSR, it remains the most profound and rigorous historical-comparative study of the consonant systems in the Andian languages—a subgroup of the Nakh-Dagestanian (East Caucasian) family.
The Andian languages are famous among typologists for their extraordinarily complex phonology, featuring lateral fricatives, ejectives, and a vast array of sibilants. Gudava’s work systematically reconstructs the proto-Andian consonant system, tracing how original sounds evolved into the specific structures of Andi, Botlikh, Godoberi, Karata, Akhvakh, Bagvalal, Tindi, and Chamalal. His analysis is crucial for understanding the wider genetic relationships within the Dagestanian languages.
The book is structured to guide the reader from empirical field data to high-level theoretical reconstruction. It covers the inventory of phonemes, the laws of phonetic change, and the historical development of complex consonant clusters. Because it was published in a limited run of only 1,000 copies by the Georgian Academy, this volume is an exceptional rarity. It is an indispensable resource for Caucasologists, comparative linguists, and anyone studying the historical phonology of the indigenous languages of the Caucasus.