Nicene and Post-Nicene Fathers, Ser. II, Vol. III: The Ecclesiastical History, Dialogues, and Letters of Theodoret.: From Pope Leo to Theodoret.
CXIII. (a). 1891 From Pope Leo to Theodoret.
To our much beloved brother Theodoretus, bishop, Leo, bishop.
In Migne’s edition here follows the reply of Leo to Theodoret, which appears as Letter CXX. in the works of Leo.