Marszałek, Marek. “On the History of Single-Letter Vocabulary in Polish-Russian Lexicography (based on a 19th-Century Dictionary by Pyotr Dubrovsky)”. Papers in Linguistics 23, no. 3 (September 30, 2021): 197–213. Accessed December 21, 2025. https://czasopisma.uwm.edu.pl/index.php/pj/article/view/6845.