Entry on Precedent has "two subentries, on the doctrine of precedent in English common law and on stare decisis in medieval and post-medieval Roman law."
Alternative name: OIELH
The Oxford International Encyclopedia of Legal History is the online version of the Oxford International Encyclopedia of Legal History (edited by S.N. Katz et al) published by OUP in 2009.
Introduction to English Legal History by 
The Law's Two Bodies by