Ernštreits, Valts. 2020. “Livonian Place Names: Documentation, Problems, and Opportunities”. Eesti Ja Soome-Ugri Keeleteaduse Ajakiri. Journal of Estonian and Finno-Ugric Linguistics 11 (1). Tartu, Estonia:213-33. https://doi.org/10.12697/jeful.2020.11.1.09.