Středověká varhanní tabulatura na rukopisném zlomku z Knihovny Národního muzea
Martin Horyna
The manuscript fragment in the collection of the National Museum Library in Prague under shelf mark 1 D a 3/52 is a sheet of paper with writing on both sides, containing two strata of inscriptions. The first tratum consists of accounting records, one of which is dated to 1356. That is also…