Harry Scheiber's interests include research on history of fisheries oceanography; on history of technology and law in the US; and on contemporary questions of marine biodiversity and of scientific management for sustainability of marine resources in international law. His primary books include Law of the Sea: The Common Heritage and Emerging Challenges; Legal Cultures and the Legal Profession; Inter-Allied Conflict and Modern Ocean Law Origins, 1945-52; American Law and the Constitutional Order; American Economic History; Ohio Canal Era--A Case Study of Government and the Economy; The Wilson Administration and Civil Liberties; The Old Northwest--Studies in Regional History; Perspectives on Federalism; Federalism and the Judicial Mind; The State and Freedom of Contract; Earl Warren and the Warren Court; Bringing New Law to Ocean Waters; and The Oceans in the Nuclear Age. Scheiber has conducted seminars and research programs for the National Endowment for the Humanities, the National Science Foundation, and the California Sea Grant College program.