183,161 volumes (of which 5,459 are from the 16th century, 9,403 from the 17th century, and 23,010 from the 18th century) Described in detail in: Handbuch der historischen Buchbestände in der Schweiz
183,161 volumes (of which 5,459 are from the 16th century, 9,403 from the 17th century, and 23,010 from the 18th century) Described in detail in: Handbuch der historischen Buchbestände in der Schweiz