Discovery of the two yet unknown sources to the beginning of settlement and history of glass production of the upper Divoká Orlice river - part two - land register of Zelenka (Grünborn) 1613-1699.
Discovery of a pair of so far unknown witnesses of the beginnings of colonization of the upper reaches of the Divoká Orlice river - part one - the schöpfenbuch (land register) of the village of Jadrná (Kerndorf) 1591-1655.