https://www.hcch.net/pt/instruments/the-old-conventions/1897-additional-protocol/
Hague Conference on Private International Law - The World Organisation for Cross-border Co-operation in Civil and Commercial Matters
additional protocolhcch
https://www.amnesty.org/es/documents/ior60/1281/2015/en/
Amnesty International and the International Commission of Jurists comment on the Additional Protocol to the Council of Europe Convention on the Prevention of...
additional protocoldraftcouncileuropeconvention