Content: Part 1 contains Gregorian chants with music notation for processions at
Leyde. Universiteitsbibliotheek, BPL 102
Collection
Digital Collections (Leiden University Libraries)
Library
Leiden University Libraries
Date
Part 1: Low Countries?, 12th century, first half - Part 2: Low Countries, 11th/12th century, c. 1100 - Part 3: Low Countries, northern part ; Egmond, 12th century, first quarter - Part 4: Low Countries, northern part? ; German regions, western part?, 9th century, third quarter