Scientific catalogue of manuscript fragments is part of a wide-conceived editorial project, which was initiated by issuing the catalogue of not-yet-cataloguedmedieval manuscripts by Michal Dragoun in 2011. Manuscript fragment described here were collected in the past by two former Directors of the National Museum Library - Adolf Patera and Čeňek Zíbrt.
They are dated from 9th to 19th century, but most date from the 14th and 15th centuries.