The Centre de Conservation du Livre (CCL) is a non-governmental organization founded in 1993 in Arles, France that works to preserve documentary heritage collections through training, expertise, documentation, and international cooperation. CCL offers specialized training courses in document conservation, disaster planning, and use of new technologies. It provides on-site expert consultations and has conducted projects around the world. CCL also operates an online digital library called E-Corpus that provides access to over 1 million documents from 200 institutions worldwide.