This document collection highlights the legal challenges, historical preconceptions, and political undercurrents that had informed the UN Genocide Convention, its form, contents, interpretation, and application. Featuring 436 documents from thirteen repositories in the United States, the United Kingdom, and Russia, the collection is an essential resource for students and scholars working in the field of comparative genocide studies. The selected records span the Cold War period and reflect on specific issues relevant to the Genocide Convention, as established at the time by the parties concerned. The types of documents reproduced in the collection include interoffice correspondence, memorandums, whitepapers, guidelines for national delegations, commissioned reports, draft letters, telegrams, meeting minutes, official and unofficial inquiries, formal statements, and newspaper and journal articles. On a classification curve, the featured records range from unrestricted to top secret. Taken in the aggregate, the documents reproduced in this collection suggest primacy of politics over humanitarian and/or legal considerations in the UN Genocide Convention.