Virtual Manuscript Library of Switzerland:
Initial "U" - from a 9th century manuscript
Virtual Manuscript Library of Switzerland:
St. Gallen, Stiftsbibliothek, Cod. Sang. 54, p. 53
Virtual Manuscript Library of Switzerland:
Fribourg/Freiburg, Bibliothèque cantonale et universitaire/Kantons- und Universitätsbibliothek, Ms. L 523, p. 71r