* ehri:wasUsedAsSourceIn (change to direct style) * ehri:intitutionConditionOfAccess -> ehri:conditionOfAccess as a subproperty of rico"conditionsOfAccess with an extended domain. * ehri:institutionReproductionServices -> ehri:reproductionServices * ehri:scriptOfMaterials (create the inverse property). * Further named individuals: class, subgrp, file, item, otherlevel