1. Libris Design Project, Library Stacks and Shelving. This material has been created by Earl Siems and Linda Demmers, supported by the US Institute of Museum and Library Services under the provisions of the Library Services and Technology Act, administered in California by the State Librarian [undated]: http://www.librisdesign.org/docs/ShelvingforLibraries.pdf (accessed 1 May 2012).
2. Bennett S, Libraries and Learning: A History of Paradigm Change, 2008, Bennett Scott, Library Space Planning: http://www.libraryspaceplanning.com/assets/resource/Libraries-and-learning.pdf (accessed 1 May, 2012).
3. Bennett S, Libraries Designed for Learning, November 2003, Washington, DC, Council on Library and Information Resources: http://www.libraryspaceplanning.com/assets/resource/libraries-designed-for-learning.pdf (accessed 1 May 2012).
4. Kyrillidou M, Reshaping ARL Statistics to Capture the New Environment, ARL: A Bimonthly Report, no. 256 (February 2008), 9–11: http://www.arl.org/bm∼doc/arl-br-256-stats.pdf (accessed 1 May 2012).
5. Phan T Hardesty L Hug J Sheckells C, Academic Libraries: 2010 (NCES 2012-365). US Department of Education, Washington, DC: National Center for Education Statistics: http://nces.ed.gov/pubsearch (accessed 1 May 2012).