Artillery training : Computation / War Office. Vol VI: Survey / @War Office van eyck libraries project Overview of systems of subject classification other than Iconclass : final copy / prep. by the Witt Computer Index, Courtauld Institute of Art van eyck libraries project D2 core record structure van eyck libraries project Ownership van eyck libraries project Artist van eyck libraries project Date van eyck libraries project International survey of standards & practices for artist identification & cataloguing