[AVORI - VARIE]. 14 opere di documentazione tra cui : Sculture in avorio nell'Inghilterra altomedievale, Skulpturen Elfenbein Perlmutter Stein Holz, Medieval and renaissance sculpture and Metalwork, Une renaissance - L'art entre Flandre et Champagne - 1150-1250, Images in ivory, La tabletterie gallo-romaine et médiévale - histoire d'os, Ivoires médiévaux V-XVème siècle, The Liverpool Ivories, Catalogue of medieval enamels in the Britisch museum, Fictile ivories in the south Kensington Museum - 1876, Die Elfenbeinskulpturen aus der romanischen zeit XI-XIII Jahrhundert (Tomes 3, 4, 5, 6)