Lesaffer, Randall (2017). "Between Faith and Empire: The Justification of the Spanish Intervention in the French Wars of Religion in the 1590s". In Koskenniemi, Martti; Rech, Walter; Fonseca, Manuel Jiménez (eds.). International Law and Empire: Historical Explorations. Oxford, UK: Oxford University Press. p. 101. ISBN9780198795575.