Duve, Thomas MPI for European Legal History, Max Planck Society;
http://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780199935352.001.0001/oxfordhb-9780199935352-e-25?rskey=AHXXh9&result=1 (Any fulltext)
Duve, T. (2017). Global Legal History: A Methodological Approach. In Oxford Handbooks Online - Law.