Ruppert, Evelyn. 2010. Making Populations: From Censuses to Metrics. In: L Hempel; S Krasmann and U Bröckling, eds. Visibility Regimes: Monitoring, Security and Privacy in the 21st Century. Wiesbaden: VS Verlag, pp. 157-173. ISBN 10: 3531164112 [Book Section]

Guagnin, D; Hempel, L; Ilten, C; Kroener, I; Neyland, D. and Postiga, H, eds. 2012. Managing Privacy Through Accountability. London: Palgrave-Macmillan. ISBN 9781137032225 [Edited Book]