Теперь можно прочитать на русском языке статью С. Мунда «Travel Accounts as Early Sources of Knowledge about Russia in Medieval Western Europe from the mid-Thirteenth to the early Fifteenth Centuries»:
http://gardarike.org/history/medieval/udelnaya-rus/otchetyi-o-puteshestviyax-kak-rannie-istochniki-znanij-o-rossii-v-srednevekovoj-zapadnoj-evrope