Consists of photostats of documents collected by assistant New Jersey attorney general Duane E. Minard regarding a state boundary case argued before the U.S. Supreme Court, October term, 1929, in which New Jersey was the plaintiff and Delaware the defendant.

John Marshall Harlan (1899-1971), a distinguished lawyer and jurist, served on the U.S. 2nd Circuit Court of Appeals and the U.S. Supreme Court. Harlan's papers consist of legal materials, correspondence, writings, and personal papers that document his career as an attorney and a judge, especially the period when he was a Supreme Court Justice.