J.P. Gumbert, Illustrated Inventory of Medieval Manuscripts in Latin Script in the Netherlands (Hilversum, Verloren, 2009-2011). Introduction: Rules–Instructions (34 pp., ISBN 978 90 8704 110 6, € 10); Vol. 1: Utrecht, Museum Catharijneconvent (233 pp., ISBN 978 90 8704 261 5, € 25); Vol. 2: Leiden, Universiteitsbibliotheek (338 pp., ISBN 978 90 8705 111 3, € 34)