Title: Basic Polish: A Grammar and Workbook, Author: Dana Bielec
Title: Polish as a Heritage Language Around the World: Selected Diaspora Communities, Author: Piotr Romanowski
Title: Colloquial Polish: The Complete Course for Beginners, Author: Boleslaw Mazur
Title: The Phonology of Polish, Author: Edmund Gussmann
Title: Polish: A Comprehensive Grammar, Author: Iwona Sadowska