Janes, Joseph (November 13, 2014). "RIP, IPL". American Libraries. Chicago, IL: American Library Association. Archived from the original on 15 November 2014.
"Overview". Librarians' Internet Index. Archived from the original on 1 September 2009. Retrieved 16 October 2016.
Janes, Joseph (November 13, 2014). "RIP, IPL". American Libraries. Chicago, IL: American Library Association. Archived from the original on 15 November 2014.