Birr, Christiane MPI for European Legal History, Max Planck Society;
http://dx.doi.org/10.12946/rg26/234-235 (全文テキスト(全般))
Birr, C. (2018). Before Vitoria. Early Theological and Juridical Responses to the Spanish Expansion. Introductory Remarks. Rechtsgeschichte - Legal History Rg, 26, 234-235.