Bitāns, Agris. “LEGAL COMMENTS IN RELATION TO THE LATGALIAN WRITING LANGUAGE AS A HISTORICAL VARIETY OF LATVIAN”. Via Latgalica, no. 4 (December 31, 2012): 116–125. Accessed May 1, 2024. https://journals.ru.lv/index.php/LATG/article/view/1683.