1. Columbia University Libraries, Guidelines for preservable websites, Retrieved from https://library.columbia.edu/bts/web_resources_collection/guidelines_for_preservable_websites.html
2. Cuno James , ‘How art history is failing at the internet,’ The Daily Dot. 2012. Retrieved from http://www.dailydot.com/opinion/art-history-failing-internet/
3. Preserving Web-based Auction Catalogs at the Frick Art Reference Library
4. Ibid.
5. The Isamu Noguchi Catalogue Raisonné. 2014. Retrieved from http://www.noguchi.org/research/catalogue