Hedenstierna-Jonson, C. (2020). Entering the Viking Age through the Baltic. Relations and Runes: The Baltic Islands and Their Interactions During the Late Iron Age and Early Middle Ages, 11-22. Read...
Moora, H.; Laid, E.; Mägiste, J.; Kruus, H. (1935). Estonian history. I. Prehistory and Ancient War of Freedom (EST: Eesti ajalugu. I, Esiajalugu ja muistne vabadusvõitlus). Tartu: Eesti Kirjanduse...
von Grewink, C. A. C. (1865). Das Steinalter der Ostseeprovinzen Liv-, Est- und Kurland und einiger angrenzenden Landstriche. Dorpat: E. J. Karow. Read (GER): here....
Gruber, J. D. (1740). Origines Livoniae sacrae et civilis, seu chronicon Livonicum vetus, continens res gestas trium primorum episcoporum: quibus devictae a Saxonibus, et ad sacra christianorum...
