Coba jelasin Lihat pula dari Codex Petropolitanus Purpureus dong

F. H. A. Scrivener, A Full and Exact Collation of About 20 Greek Manuscripts of the Holy Gospels (Cambridge and London, 1852), p. XL. (as j)

Louis Duchesne, Archives des missions scientifiques et littéraires (Parigi, 1876), vol. 3, pp. 386–419.

H. S. Cronin, "Codex Purpureus Petropolitanus. The text of Codex N of the gospels edited with an introduction and an appendix", T & S, vol. 5, no. 4 (Cambridge, 1899).

C. R. Gregory, "Textkritik des Neuen Testaments", Leipzig 1900, vol. 1, pp. 56–59.

S. Rypins, Two Inedited Leaves of Codex N, JBL Vol. 75, No. 1 (Mar. 1956), pp. 27–39.

Weitzmann, Kurt, ed., Age of spirituality: late antique and early Christian art, third to seventh century, no. 444, 1979, Metropolitan Museum of Art, New York, ISBN 978-0-87099-179-0; full text available online from The Metropolitan Museum of Art Libraries