1. Pollard, A. W., & Redgrave, G. R. (1926). A short-title catalog of books printed in England, Scotland, and Ireland, and of English books printed abroad, 1475–1640. London: The Bibliographical Society.
2. Wing, D. Short-title catalogue of books printed in England, Scotland, Ireland, Wales and British America and of English books printed in other countries, 1641–1700, 3 vols. New York: The Index Society, 1945–51.
3. Borgman, C. L. (1997). From acting locally to thinking globally: A brief history of library automation. The Library Quarterly, 67(3), 215–249.
4. Brunner, T. F. (1991). The thesaurus Linguae Graecae: Classics and the computer. Library Hi Tech, 9(1), 61–67.
5. Quay, A. (2012). Google engineer builds automatic ‘page-turning scanner’, uses vacuum cleaner. Taxi, 13.
http://designtaxi.com/news/354337/Google-Engineer-Builds-Automatic-Page-Turning-Scanner-Uses-Vacuum-Cleaner/
. Accessed 28 Jan 2013.