"The ICRC is mandated by States through the Geneva Conventions and their Additional Protocols, and the statutes of the International Red Cross and Red Crescent Movement, to promote and act as guardian of international humanitarian law (IHL). This involves encouraging the ratification of treaties, monitoring compliance, dissemination and contributing to the development of IHL."
The International Committee of the Red Cross and the protection of war victims by 
International Legal Protection of Human Rights in Armed Conflict by Printed Resources
Books about the United Nations can be found on Level 3 (one floor up from the entrance to the Law Library) at
Internat 687
Existing Legal Limits to Security Council Veto Power in the Face of Atrocity Crimes by The UN's own publications are in the Official Papers collection on the ground floor of the Law Library, two floors down from the entrance leve. The Bodleian is a depository library for the UN. Our specialist librarian has written a research guide to help you find what you are looking for!