The northern and western regions of Medieval Europe "were a patchwork of territorial areas in which the main source of law was customs, usages and practices which had become relatively fixed and settled".
中世ヨーロッパの北部・西部諸地域は、「主たる法源が比較的定着し確立された慣習、慣例および慣行である領域的区画のパッチワークであった」。