These are books from the former Prague Lobkowicz library and most of them were part of the library of the Premonstratensian monastery in Weissenau in the Middle Ages (e.g. The last group comprises five volumes deposited under the shelf mark XXIII. These are mainly legal, moral-educational and meditative texts, with the exception being a collection of hymns of Holy Week antiphonary and missal (XVII.F.3).

A larger group is represented by Czech-language manuscripts of the 15th century. Two volumes include German-language texts: Rechtssumme by the Dominican Berthold, also known as Berthold of Freiburg (XVI.C.41), and a collection containing, among others, Buch der Liebkosung by Johannes von Neumarkt / Noviforensis (a translation of the pseudo-Augustinian Liber soliloquiorum). Milíč of Kroměříž / Johannes Milicius de Cremsier – shelf mark VI.D.3 and Jacobus de Voragine – VI.D.7) and various writings of the Church Fathers legal writings are represented by the Pseudo-Isidorian Decretals, and hagiographic literature by one of the copies of the Golden Legend (Legenda aurea). The manuscripts mostly contain preaching works (the authors include e.g. The first consists of Central European Latin manuscripts (from the Czech lands as well as Austria and Germany) from the 14th and 15th centuries. They come from several language or provenance groups. Twenty-five codices have been digitised from the collections of the Department of Manuscripts and Early Printed Books of the National Library of the Czech Republic. Illuminated manuscripts include IV.D.10 (a figural initial depicting the Virgin Mary and Baby Jesus, with two figures on the sides) and IV.E.19 (ornamental initials).

Liturgical manuscripts are represented by a breviary from the second half of the 13th century (IV.D.9), which was, based on some rubrics, most likely used at the church of St Vitus at Prague Castle. by Haimo of Auxerre, Honorius of Autun, Nicholas of Lyra, Nicholas of Gorran), preaching and to a lesser extent ecclesiastical-legal texts, rhetorical, astronomical and philosophical texts. by the Church Fathers Augustine, Jerome, Gregory and Isidore of Seville), Biblical exegeses (e.g. They were written in the 13th–15th centuries.

The other codices also come from the Czech lands. The oldest of them is manuscript IV.D.7, which was mostly written around the middle of the 11th century in the scriptorium of the Břevnov monastery, the earliest documented scriptorium in the Czech lands it contains homilies on the Gospels by Pope Gregory I. Another group of digitised documents from the NL CR comprises 19 medieval codices.

Medieval manuscript sheet music