Robert Rollock is best remembered today for the role he played in the development of Reformed covenant theology, a role defined especially by the uniquely mature treatment of a pre-fall covenant of works discovered in his thought. However, scholarship on Rollock's covenant thought has until now been based almost entirely on an early modern English translation of Rollock's Tractatus de vocatione efficaci (1597), and has overlooked discussion of the covenant of works found both in Rollock's 1596 Quaestiones et responsiones aliquot de Foedere Dei, deque Sacramento quod foederis Dei sigillum est...