A more explicitly 'historical' method appears in his published work from this time with its insistence upon the careful historicisation - the placing in time and place - not only of legal doctrine but also of the notions of legal obligation and the exercise of public authority at play in that setting.
A more clearly 'historical' approach is evident in his published work from this period, which stresses the need for meticulous historicization - the precise placement in time and place - not only of legal principles but also of notions of legal duty and public authority in action within that particular setting.