212 Semkowicz W. Geograficzne podstawy Polski Chrobrego. - Krakфw, 1925. - S.23; Rospond S. Dzieje polszczyzny sl^skiej. - Katowice, 1959. - S.53; Tyszkiewicz J. Z badan nad wczesnosredniowiecznym osadnictwem gфrnego dorzecza Odry. - S.7-72.

The article summarizes the attempts localization of Slavic tribes at the source of IX century - «Geographus Bavarus». A clarification of international trade routes in accordance with the hypothesis of J.Herrmann and related new versions ethnic classification.