1. Bruner, K. (2003). The History of the English language (I-II). Moscow: URSS Editorial.
2. Burka, N. (2015). Paradigmatic analysis of approaches to the study of phoneme syntagmatics. Academic Notes [Kirovohrad state pedagogical university]. Series: Philological sciences (Linguistics), 138, 576-580.
3. Burka, N. (2017). Methodological peculiarities and methodology of the study of consonant phoneme syntagmatics in the development of the English language. Research Journal of Drohobych Ivan Franko State Pedagogical University. Series ''Philology'' (Linguistics), 1 (8), 28-31.
4. Burka, N. (2018). Changes in syntagmatics of initial consonantal clusters registered in Old English. Scientific Proceedings of the National University of "Ostroh Academy"."Philology" Series, 1(69), 77-80.
5. Chubrykova, T. L. (1976). The compatibility of consonantal phonemes in the history of the English language. (The dissertation for the degree of candidate of philological sciences). A. A. Zhdanov Leningrad State University, Leningrad, URSS.