The Mellon International Dissertation Research Fellowship (IDRF) offers six to twelve months of support to graduate students in the humanities and humanistic social sciences who are enrolled in PhD programs in the United States and conducting dissertation research about non-US or US Indigenous cultures and societies. The IDRF program especially welcomes applications from underrepresented institutions. Sixty fellowships are awarded annually. Fellowship amounts vary depending on the research plan, with a per-fellowship average of $23,000. The fellowship includes participation in an SSRC-funded interdisciplinary workshop upon the completion of IDRF-funded research.