During the process of liquidation of the Duchy of Frýdlant, the register of ducal fiefs stating the numbers of homesteads on them in the years 1631 and 1634 was elaborated in March 1634. This document is preserved in Czech and German version, very similar, but different in few entries.
Presented study occupies with particular problems and information included in both archives and brings also the edition of this interesting document, which extends the knowledge of the history of Waldstein's "lucky land (terra felix)", remaining quite unresearched until today.