1. Facebook – Cake-making-with-Magimix-32-recipes-written-by-Mary-Berry-for-food-processors https://www.facebook.com/pages/Cake-making-with-Magimix-32-recipes-written-by-Mary-Berry-for-food-processors/452132341502971?fref=ts (accessed 2 April 2013).
2. Demspey L, Thirteen Ways of Looking at Libraries, Discovery, and the Catalog: Scale, Workflow, Attention, EDUCAUSE Review Online, 2012: http://www.educause.edu/ero/article/thirteen-ways-looking-libraries-discovery-and-catalog-scale-workflow-attention (accessed 2 April 2013).
3. edu/?itemid=|library/m/aleph|011745164 (accessed 2 April 2013). Never published on its own and only released with food processors, hence its scarcity.
4. Harvard Library Bibliographic Dataset: http://openmetadata.lib.harvard.edu/bibdata (accessed 2 April 2013).
5. Facebook Graph Search: http://en.wikipedia.org/wiki/Facebook_Graph_Search (accessed 2 April 2013).