Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin biên tập (2013). “tiếng Phổ cổ”. Glottolog. Leipzig: Max Planck Institute for Evolutionary Anthropology.
vdu.lt
donelaitis.vdu.lt
The adverb Prūsiskai ('in Prussian') appears on the title page of the Königsberg catechism of 1561. See Klussis, Michels; Palmaitis, Mykolas Letas biên tập (2007). Old Prussian Written Monuments: Text and Comments(PDF). Kaunas: Lithuanian's World Center for Advancement of Culture, Science and Education. tr. 387.; Mažiulis, Vytautas. Etymological Dictionary of Old Prussian. 3. tr. 360–361.
vu.lt
prusistika.flf.vu.lt
The adverb Prūsiskai ('in Prussian') appears on the title page of the Königsberg catechism of 1561. See Klussis, Michels; Palmaitis, Mykolas Letas biên tập (2007). Old Prussian Written Monuments: Text and Comments(PDF). Kaunas: Lithuanian's World Center for Advancement of Culture, Science and Education. tr. 387.; Mažiulis, Vytautas. Etymological Dictionary of Old Prussian. 3. tr. 360–361.