Recensământul general al populației din 1930 vol. II partea I (Romanian 1930 Census)

Statistical data from the 1930 census in Romania. This volume contains data on the population of individual towns and villages broken down by declared ethnicity and native language. Carpatho-Rusyns and Ukrainians were treated as one category. Carpatho-Rusyn communities could be found in formerly Hungarian territories; particularly in counties Arad, Bihor, Brașov, Cluj, Hunedoara, Maramureș, Sălaj, Satu Mare, Severin, Timiș-Torontal.