Introduction: David Sellar, Legal Historian (H L MacQueen); The Continuity of Scottish Legal History: An Overview; CELTIC LAW AND BIRLAW: CUSTOMARY LAW; Celtic Law and Scots Law: Survival and Integration; Marriage, Divorce and Concubinage in Gaelic Scotland; The Lyon and the Seannachie; Birlaw Courts and Birleymen; THE INFLUENCE OF ENGLISH LAW; English Law as a Source of Stair’s Institutions; The Resilience of the Scottish Common Law; Scots Law: Mixed from the Very Beginning? A Tale of Two Receptions; THE INFLUENCE OF CANON LAW: MARRIAGE, DIVORCE, AND HOMICIDE; Marriage by Cohabitation with Habit and Repute: Review and Requiem?; Marriage, Divorce and the Forbidden Degrees: Canon Law and Scots Law; Forethocht Felony, Malice Aforethought and the Classification of Homicide; THE INFLUENCE OF ENGLISH AND CANON LAW: SUCCESSION; Juridical Acts Made in Contemplation of Death; Succession; Courtesy, Battle and the Brieve of Right, 1368; THE INFLUENCE OF THE EUROPEAN JUS COMMUNE; Promise; Presumptions.