17 surviving letters between Isidore of Pelusium and Leontius, spanning 403-425 AD.
On the text: "If they do these things in a green tree, what shall be done in the dry?
Truly, as you have written, many disturbances have swept through the churches.
“To Leontius, deacon.”
“To Leontius, bishop.”
“To Leontius, Bishop.”
“To the same person.”
“To Leontius the magistrianus [an agens in rebus, an imperial courier-official].”
“To Leontius.”