Whatever the method adopted, a volume containing 
     twenty different pieces by ten different authors would 
     necessarily have to be listed under one name, whatever 
     the librarian might decide to do about the other nine 
     names. And if the first tract in the volume was by St. 
     Augustine, under St. Augustine it would go. If you wanted 
     to see the volume you would have to ask for St. 
     Augustine, even if it should be the fifth treatise in the 
     volume you wanted to consult, which might be by Hugo 
     de Sancto Caro. And if you asked a friend in another 
     abbey to copy something for you which you had noted on 
     a former visit you would have to write to him: ‘Please 
     copy the treatise on fols. 50 to 70 in your “Augustinus”.’ 
     This would not necessarily imply that the writer was not 
     aware that the author of this treatise was not 
     Augustinus; whether he thought so or not, he would have