"The Seven Ecumenical Canons and Dogmatic Decrees of the Church" by Henry R. Percival is a definitive collection of the canons and doctrinal decrees issued by the early Ecumenical Councils of the Christian Church. This compilation includes the decisions and theological formulations of these councils, which were convened between the 4th and 8th centuries to address key theological controversies and establish orthodox Christian doctrine. Percival's work provides readers with a primary source for understanding the foundational teachings and disciplinary measures of the early Church councils, making it an essential resource for scholars, theologians, and historians of Christian theology and ecclesiastical history.