This Oxford Handbook examines the sources of international law, how the understanding of sources changed throughout the history of international law; how the main legal theories understood sources; the relationship between sources and the legitimacy of international law; and how sources differ across the various sub-areas of international law.

This timely Handbook contains a wide-ranging overview of the diverse research methods used within international law. Providing an insightful examination of how international legal knowledge is analysed and adopted, this Handbook offers the reader a deeper understanding on the role and place of research methods in international legal theory, reasoning and practice.

Demonstrates American legal policymakers hold competing conceptions of the 'international rule of law' structured by foreign policy ideologies.

A new perspective on the place of the workhouse in the history and geography of nineteenth-century society and social policy.