Netherlands Yearbook of International Law 2022 : Reparations in International LawOtto Spijkers, Julie Fraser, Emmanuel Giakoumakis, Carl Emilio Lewis · First published 2024Open the Tome
Netherlands Yearbook of International Law 2019 : Yearbooks in International LawOtto Spijkers, Wouter G. Werner, Ramses A. Wessel · First published 2020Open the Tome
Concentrate Questions and Answers on International LawOtto Spijkers, Paolo Vargiu · First published 2019Open the Tome
Art of Making PeaceSteven van Hoogstraten, Nico Schrijver, Otto Spijkers, Anneleen de Jong · First published 2016Open the Tome
The United Nations the Evolution of Global Values and International LawOtto Spijkers · First published 2011Open the Tome