B. Gsell, "Verzeichniss der Handschriften in der Bibliothek des Stiftes Heiligenkreuz," Xenia Bernardina, Pars II, 2 vols. (Wien, 1891), 1:115-291, abbreviated records.
Notes:
On front unnumbered leaf is the oldest (12th century) list of books at Heiligenkreuz: Isti sunt libri Sancte Crucis sub d.G. conscripti.