GIBSONE, Katerine. APPROACHES TO RESEARCHING BORDER REGIONS: WRITING THE HISTORY OF LATGALIA. Via Latgalica, Rezekne, Latvia, n. 6, p. 10–19, 2014. DOI: 10.17770/latg2014.6.1653. Disponível em: https://journals.ru.lv/index.php/LATG/article/view/1653.. Acesso em: 7 may. 2024.