This document is unfortunately not available for download at the moment.
Roman Jakobson (1985) Early Slavic paths and crossroads: Medieval Slavic studies, The Hague, Mouton.
Structuralism
A silesian-Polish cantilena inhonesta from the beginning of the fifteenth century
Roman Jakobson
pp. 738-772
Not implemented yet !
(1935) "Slezsko-polská cantilena inhonesta ze začátku XV. století", Národopisný věstník českoslovanský 27-28, pp.56-84.