PART ONE: ANCIENTPrologue: How Do We Know When We Are On To Something?Albert I. BaumgartenReligious Variety and the Temple in the Late Second Temple Period and its AftermathMartin GoodmanThe 'Sectarian' Calendar of QumranSacha SternDefining Sectarian by 'Non-Sectarian' Narratives in QumranIda FroehlichThe Nazoraeans as a 'Sect' in 'Sectarian' Judaism? A Reconsideration of the Current View via the Narrative of Acts and the Meaning of HairesisJoan E. TaylorLegal Realism and the Fashioning of Sectarians in Jewish AntiquityChristine HayesPART TWO: MEDIEVAL AND MODERNThe Qaraites as Sect: The Tyranny of a ConstructMarina RustowThe Hasideans and the Ancient Jewish 'Sects': a Seventeenth-Century ControversyFrancis SchmidtJews for Jesus: Occupying Jewish Time and SpaceElliot CohenPART THREE: THEORY AND PRACTICEIs a Historical Comparative Sociology of (Ancient Jewish) Sects Possible?David J. ChalcraftWeber-Foucault-Nietzsche: Uncertain Legacies for the Sociology of ReligionPaul-Francois Tremlett.