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, ; full text available online from The Metropolitan Museum of Art Libraries External links Codex Petropolitanus Purpureus N (022) at the Encyclopedia of Textual Criticism Codex Petropolitanus Purpureus at the National Library of Russia, 2007 Petropolitanus Purpureus Purple parchment 6th-century biblical manuscripts National Library of Russia collection