JK - De causa Apiarii
From Clavis Canonum
A letter to Coelestinus by the Council of Carthage 425/426 Jaffé no.: JK - Jaffé3 no. 818
Jaffé3 no. 818 give sno incipit and no "coll" but then again cites "Codex canonum ecclesiae Africanae c. 134 (EOMIA I 614); Dionysii Coll. can. (Migne PL 67, 227; Strewe 96)".