Concordia University has three main library locations. The R. Howard Webster Library is located in the J.W. McConnell Building on the Sir George Williams Campus and the Georges P. Vanier Library is located on the Loyola Campus. On September 2, 2014, the Library opened the Grey Nuns Reading Room, a silent study space for Concordia students located in the former Chapel of the Invention of the Holy Cross. The Concordia Library houses several special and unique collections including the Azrieli Holocaust Collection and the Irving Layton Collection. Most special collections are located in the Vanier Library. The Library also maintains the university's institutional repository, Spectrum. The Library is a member of the Canadian Association of Research Libraries. The Library also has partnerships with the Canadian Research Knowledge Network and the Data Liberation Initiative.