Kibble, Matt. “Sponsored Article: ProQuest’s Early European Books Project: A Collaborative Approach to the Digitisation of Rare Texts”. LIBER Quarterly: The Journal of the Association of European Research Libraries 20, no. 3-4 (February 11, 2011): 372–381. Accessed November 23, 2024. https://liberquarterly.eu/article/view/10590.