Editing Vatican Library (section)

===Catalogue===
The collection was originally organized through notebooks used to index the manuscripts. As the collection grew to more than a few thousand, shelf lists were used.<ref name=UofA/> The first modern catalogue system was put in place under Father [[Franz Ehrle]] between 1927 and 1939, using the [[Library of Congress]] [[card catalogue]] system. Ehrle also set up the first program to take photographs of important works or rare works.<ref name=UofA/> The library catalogue was further updated by Rev. [[Leonard Boyle|Leonard E. Boyle]] when it was computerized in the early 1990s.<ref name=UofA/>