Blumberga, R. 2016. The Livonian language as used in letters in the 1930s: a view into the correspondence of the editors of “Līvli”. Eesti ja soome-ugri keeleteaduse ajakiri. Journal of Estonian and Finno-Ugric Linguistics. 7, 1 (Sep. 2016), 223–247. DOI:https://doi.org/10.12697/jeful.2016.7.1.10.