Schäfer, Raphael Max Planck Institute for Comparative Public Law and International Law, Max Planck Society;
https://brill.com/view/journals/jhil/20/4/article-p501_4.xml (Publisher version)
Schäfer, R. (2018). The 150th anniversary of the St Petersburg Declaration: introductory reflections on a Janus-faced document. Journal of the History of International Law, 20(4), 501-514. doi:10.1163/15718050-12340096.