sentences:  In Yorkshire alone, for example, under the aegis of various religious orders, there may have been more than fifty abbeys, priories, etc., each of them having at least a modest library.Yet within the space of little more than a generation, this whole structure was crudely dismantled.State-authorized visitations during the reigns of Henry VIII and Edward VI meant the break-up of collections not only in the monasteries but also at the universities as well.