He studied the history of continental and English common law, and why they diverged so sharply. He revealed the significance of power struggles between the judiciary, legislators, and legal scholars. He wrote in Dutch and English, with some of his most notable works being translated into other European languages.
The Birth of the English Common Law, Cambridge University Press, Cambridge, 1973, 2nd edition 1988.
An Historical Introduction to Private Law, translated by D. E. L. Johnston, Cambridge University Press, Cambridge, 1992.
An Historical Introduction to Western Constitutional Law, Cambridge University Press, Cambridge, 1995 ISBN0521476933
Literature
G.R. Elton, Return to Essentials: Some Reflections on the Present State of Historical Studies, Cambridge University Press, 1991.
Th. Denoël, Le nouveau dictionnaire des Belges, 1992
S. Dauchy, J. Monballyu, A. Wijffels (eds.) Auctoritates. Xenia R.C. Van Caenegem oblata (De auteurs van de rechtsontwikkeling), Brussels, Paleis der Academiën, 2000.
Oscar Coomans de Brachène, État présent de la noblesse belge, Annuaire 2002; Annuaire 2004
References
^"R.C. Van Caenegem". Royal Netherlands Academy of Arts and Sciences. Archived from the original on 29 January 2016. Retrieved 29 January 2016.
^Obituary on the blog of Standen & Landen - Anciens Pays et Assemblées d'États.