Clement of Alexandria clearly did write the Letter to Theodore because Morton Smith did not know Fragment 4 of the Hypotyposeis nor ever references it where the death of St Mark at Alexandria is specifically referenced: op. cit. I p. 201. In Cod. Marcianus lat. 21, 10 (13th century), according to J. Valentinelli, Bibl. ms. ad S. Marci Venetiarum, Codd. Lat. Tom. V (Venice 1872) p. 214, there stands—after Peter Comestor’s Historia scholastica—in another hand a list of the burial places of the apostles, in which Clement of Alexandria is cited at the end. Zahn therefore had it printed as Fragment 12 of the Hypotyposeis. The same list, with identical wording, is also found in Cod. Paris lat. 9562 (12th–13th century), fol. 142v, discussed by R. A. Lipsius, op. cit. I p. 214f and Supplement fascicle p. 17. The list reads, according to Valentinelli, Lipsius, and Schermann (Propheten- und Apostellegenden p. 296; Prophetarum vitae fabulosae p. 213), as follows (P = Paris, M = Marcianus):...