This volume offers the first comprehensive study on the history of Middle Western Karaim dialects. The author provides a systematic description of sound changes dating from the 17th–19th-centuries and reconstructs their absolute- and relative chronologies. In addition, the main morphological peculiarities are presented in juxtaposition to Modern Western Karaim data. The textual basis for this historical-linguistic investigation is a critical edition of pre-1800 Western Karaim interpretations of Hebrew religious songs called piyyutim (149 texts altogether). The reason behind this choice is...