Dirc van Delf: Tafel van den Kersten Ghelove (Table of Christian Faith)
A verified public-domain excerpt for this text is still being set. The folio is catalogued and linked below; an original Sub Rosa rendering will follow.
What it is
A major compendium of Christian doctrine and moral theology composed by the Dominican chaplain Dirc van Delf for Albrecht of Bavaria, Count of Holland (Wittelsbach), extant in the dedication copy prepared for Albrecht himself, now preserved as Walters Art Museum MS W.171 (winter portion). Dirc was appointed court chaplain at The Hague on 17 December 1391 and composed this two-part work in winter and summer portions, surveying the Creed, sacraments, virtues, and the moral obligations of a Christian ruler. The death of Albrecht in 1404 sets the terminus ante quem for the dedication copy, making this the earliest documented devotional manuscript with confirmed Wittelsbach ownership. Its vernacular Dutch prose made sophisticated theological instruction directly accessible to a lay noble patron.
Why it still matters
As a comprehensive catechetical compendium structured around the responsibilities of a lay Christian ruler, its sections on virtues and sacraments remain accessible entry points for modern Christian formation and leadership reflection.
Kept alongside
Thomas à Kempis: De Imitatione Christi (The Imitation of Christ)
Perhaps the most widely read Christian devotional work after the Bible, the Imitation of Christ counsels interior piety, Eucharistic devotion, and detachment from worldly ambition — values promoted at both the Wittelsbach Counter-Reformation court and in Erasmian Lutheran circles in Saxony. The Jesuits recommended it throughout their German mission work, making it a standard text in the Bavarian court milieu under Albert V and William V; Luther himself was formed in the Devotio Moderna tradition from which it springs. No single Wettin or Wittelsbach ownership record has been located, and the dual-house listing reflects the near-universal presence of the text in every German Catholic and Erasmian Protestant court of the period rather than documented patronage.
Peter Canisius: Parvus Catechismus Catholicorum (Small Catechism for Children)
The smallest of Canisius's three catechisms, designed for young children, first appearing as the Catechismus Minimus appended to a Latin grammar at Ingolstadt in 1556, then separately as the Parvus Catechismus Catholicorum in 1558. Under the direct patronage of the Wittelsbach dukes, who sponsored the Jesuit network at Ingolstadt and Munich, this text became the primary instrument of religious formation for Bavarian noble children in Jesuit institutions. It achieved over two hundred editions in twelve languages during Canisius's lifetime, making it one of the most widely disseminated Catholic educational texts of the Counter-Reformation. Its simple question-and-answer structure on the Creed, commandments, and sacraments was deliberately calibrated for memorization by children.
Johannes von Indersdorf: Prayer Cycles for Duke Wilhelm III of Bavaria
Johannes von Indersdorf (1382–1470), Augustinian canon and confessor to Duke Wilhelm III of Bavaria-Munich, composed these prayer sequences for the duke in 1431–1432. The first documented sequence consists of eleven prayers addressing the Trinity, Christ's Passion, the Virgin Mary, and preparation for holy death. A Bavarian manuscript (c. 1517, bound by court binder Kaspar Schinnagl) also preserves these prayers alongside Heinrich Seuse's Sterbebüchlein, confirming their currency in noble Wittelsbach devotional culture well into the sixteenth century. These cycles represent the most directly documented devotional commission from a Wittelsbach duke to his spiritual director for personal use.