- de Conca, S., & Leenes, R. (Accepted/In press). Artificial intelligence and privacy: AI enters the house through the cloud. In Research Handbook of Law and AI Edgar Elger Publishing Ltd..
- Ronald Leenes (2015), The Cookiewars – From regulatory failure to user empowerment?, in: Marc van Lieshout & Jaap-Henk Hoepman (eds), The Privacy & Identity Lab; 4 years later, Nijmegen: The Privacy & Identity Lab, pp. 31-49, ISBN: 978-90-824835-0-5
- Paulan Korenhof, Jef Ausloos, Ivan Szekely, Meg Ambrose, Giovanni Sartor, and Ronald Leenes (2015), Timing the Right to Be Forgotten: A Study into “Time” as a Factor in Deciding About Retention or Erasure of Data, in: S. Gutwirth et al. (eds.), Reforming European Data Protection Law,Law, Governance and Technology Series 20, Dordrecht: Springer, 171-201, DOI 10.1007/978-94-017-9385-8__7 pre-print
- Bibi van den Berg, Ronald Leenes (2012), Abort, retry, fail: scoping techno-regulation and other techno-effects, in Mireille Hildebrandt & Jaenne Gakeer (eds.) eds.), Human Law and Computer Law: Comparative Perspectives, Dordrecht, etc: Springer Ius Gentium: Comparative Perspectives on Law and Justice 25,
DOI 10.1007/978-94-007-6314-2_4 abstract - Koops, E.J., Leenes, Ronald, Cheating with implants: Implications of the hidden information advantage of bionic ears and eyes, in: M.N. Gasson, E. Kosta, D.M. Bowman (eds), Human ICT Implants: Technical, Legal and Ethical Considerations, The Hague: TMC Asser, 2012, p. 113-134. SSRN pre-print
- Leenes, Ronald, Denk na, omdat het kan, Den Haag: Ministerie van Binnenlandse Zaken/Rathenau, pp. 33-40, 2010.
- Jan Camenisch, Ronald Leenes, Marit Hansen, Jan Schallaböck, An Introduction to Privacy-Enhancing Identity Management, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 3-21, 2011.
- Ronald Leenes, Overview and Introduction Part II, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 27-31, 2011.
- Bart Priem, Ronald Leenes, Eleni Kosta, Aleksandra Kuczerawy, The Identity Landscape, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 33-51, 2011.
- Bart Priem, Ronald Leenes, Alea Fairchild, Eleni Kosta, The Need for Privacy-Enhancing Identity Management, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 53-71, 2011.
- Eleni Kosta, Aleksandra Kuczerawy, Ronald Leenes, Jos Dumortier, Regulating Identity Management, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 73-89, 2011.
- Bart Priem, Eleni Kosta, Aleksandra Kuczerawy, Jos Dumortier, Ronald Leenes, User-centric Privacy-Enhancing Identity Management, in Jan Camenisch, Ronald Leenes, Dieter Sommer (eds), Digital Privacy: PRIME – Privacy and Identity Management for Europe, Heidelberg, Dordrecht: Springer, pp. 91-106, 2011.
- Berg, Bibi, Leenes, Ronald, Keeping up appearances: Audience Segregation in Social Network Sites, in: Serge Gutwirth, Yves Poullet, Paul De Hert, Ronald Leenes (eds), Computers, Privacy and Data Protection: an Element of Choice, Dordrecht: Springer, 2011, pp. 211-231.
- Leenes, R.E., Context is everything: sociality and privacy in Online Social Network Sites, in: M. Bezzi, P. Duquenoy, S. Fischer-Hübner, M. Hansen, G. Zhang (eds.): Privacy and Identity, IFIP AICT 320, Heidelberg, Berlin, New York: Springer, 2010, pp. 48-65.
- De Hert, P.J.A., E.J. Koops, R.E. Leenes, Constitutional Rights and New Technologies: A Comparative Perspective, in: van Rompuy, B., C. Pauwels, H. Kalimo, K. Donders (eds), Rethinking European Media and Communications Policy, Brussel, VUBPRESS Brussel University Press, 2009, pp. 319-350.
- Simone van der Hof, Bert-Jaap Koops, Ronald Leenes, The Right to Anonymity in the Netherlands, in: Ian Kerr & Valerie Steeves & Carole Lucock (eds), Anonymity, Privacy and Identity in a Networked Society: Lessons from the Identity Trail, Oxford etc: Oxford University Press Inc, 2009, pp. 503-521.
- Leenes, R.E., Oomen, I.C., The role of citizens: What can Dutch, Flemish and English students teach us about privacy?, in: S. Gutwirth, Y. Poullet, P. De Hert, C. De Terwangne, S. Nouwt (eds), Re-inventing Data Protection?, Dordrecht: Springer, pp. 139-153, 2009.
- Leenes, Ronald (2009), Privacy Regulation in the Metaverse, in: Brian Whitworth and Aldo de Moor (eds). Handbook of Research on Socio-Technical Design and Social Networking Systems, Hershey: IGI Global, pp. 123-136.
- Teeuw, W., Vedder, A.H., Custers, B.H.M., Dorbeck-Jung, B., Faber, E., Iacob, S., Koops, E.J., Leenes, R.E., Poot, H. de, Rip, A. & Vudisa, J.N. (2008). Security Applications for Converging Technologies – Impact on the Constitutional State and the Legal order. Den Haag: Boom Juridische Uitgevers/WODC.
- Leenes, R. (2008). Privacy in the Metaverse – Regulating a complex social construct in a Virtual World. In S. Fischer-Huebner, P. Duquenoy, A. Zuccato & L. Martucci (Eds.), Proceedings of the IFIP/FIDIS Summer School on “The Future of Identity in the Information Society”, Karlstad, 4-8 August 2007, pp. 95–112, 2008.
- Leenes, R.E., Koops, E.J. & Hert, P.J.A. de (2007). Introduction. In R.E. Leenes, E.J. Koops & P.J.A. de Hert (Eds.), Constitutional Rights and New Technologies: A Comparative Study (Information Technology & Law Series; 15) (pp. 1-10). The Hague: T.M.C. Asser Press.
- Hert, P.J.A. de, Koops, E.J. & Leenes, R.E. (2007). Conclusions and Recommendations. In Ronald E. Leenes, Bert-Jaap Koops & Paul de Hert (Eds.), Constitutional rights and new technologies: A comparative study (Information Technology & Law Series, 15) (pp. 265-286). The Hague: T.M.C. Asser Press.
- Leenes, R. (2008). Mind my step? In M. Hildebrandt & S. Gutwirth (Eds.), Profiling the European Citizen – Cross-disciplinary perspectives (pp. 197-204). Dordrecht: Springer, 2008.
- Leenes, R. (2008). Addressing the obscurity of data clouds. In M. Hildebrandt & S. Gutwirth (Eds.), Profiling the European Citizen – Cross-disciplinary perspectives (pp. 341-351). Dordrecht: Springer, 2008.
- Leenes, R. E. & Koops, B.-J. (2006), Code & Privacy: Or How Technology is Slowly Eroding Privacy. in: Ascher, L. (Ed.) Coding Regulation. Essays on the Normative Role of Information Technology. pp. 141-203 T.M.C. Asser Press.
- Kersting, Norbert, Ronald Leenes, and Jörgen Svensson. Adopting Electronic Voting – Context Matters. in: Norbert Kersting and Harald Baldersheim (eds), Electronic Voting and Democracy. A Comparative Analysis, Hampshire: Palgrave Macmillan. pp. 276-305. 2004.
- Leenes, R. The Enschede Virtual Public Counter: OLE 2000 a case study. In Å. Grönlund (Ed.), Electronic Government – Design, Applications and Management. Hershey, PA: IDEA Group Pub, pp. 202-222, 2002.
- Lodder, A.R., and Leenes, R.E. Redeneren met regels en argumenteren. In A. Oskamp, and A.R. Lodder (Eds), Informatietechnologie voor juristen. Deventer: Kluwer, pp. 93-118, 2002.
- Leenes, Ronald. Bewijslastverdeling in dialoogspelen en de Nederlandse civiele procedure. in M.A. Heldeweg, R.J.P. Schobben en W.G. Werner (red.), De Regel Meester, Enschede: Twente University Press. pp. 125-143, 2001.
- Leenes, R., and Svensson, J., Schaalproblemen in de ontwikkeling van elektronische dienstverlening. In H.P.M. Van Duivenboden, and M. Lips (Eds.), Klantgericht werken in de publieke sector. Inrichting van de elektronische overheid. 167-184. Utrecht: Uitgeverij LEMMA BV, 2001.
- A.R. Lodder en R.E. Leenes, Argumenteren en redeneren, in: A. Oskamp en A.R. Lodder (red.) Informatietechnologie voor juristen: Handboek voor de jurist in de 21ste eeuw, Kluwer: Deventer, pp. 195-209, 1999.
- Ronald Leenes, One-stop government: the Enschede virtual public counter, a case study, in: Herbert Kubicek (ed). Proceedings of New Interfaces Between Government and Citizens: One-Stop-Government Through ICT, Bremen, 1999.