Feist, Sigmund (1932). “The Origin of the Germanic Languages and the Europeanization of North Europe”. Language (Linguistic Society of America) 8 (4): 245–254. doi:10.2307/408831. JSTOR408831.
Feist, Sigmund (1932). “The Origin of the Germanic Languages and the Europeanization of North Europe”. Language (Linguistic Society of America) 8 (4): 245–254. doi:10.2307/408831. JSTOR408831.