Huston, Hollis W (1955). "Mark 6 and 11 in P45 and in the Caesarean Text". Journal of Biblical Literature. 74 (4): 262–271. doi:10.2307/3261672. JSTOR3261672.
Epp, Eldon Jay (September 1974). "The Twentieth Century Interlude in New Testament Textual Criticism". Journal of Biblical Literature. 93 (3): 395. doi:10.2307/3263386. JSTOR3263386.
Gerstinger, Hans (1933). "Ein Fragment des Chester Beatty-Evangelienkodex in der Papyrussammlung der National Bibliothek in Wien (Pap. gr. Vindob 31974)". Aegyptus. 13 (1): 67–72. JSTOR41214242.
Skeat, Theodore Creasy; McGing, Brian C. (1991). "Notes on Chester Beatty Biblical Papyrus I (Gospels and Acts)". Hermathena (150): 21–25. JSTOR23040950.
Huston, Hollis W (1955). "Mark 6 and 11 in P45 and in the Caesarean Text". Journal of Biblical Literature. 74 (4): 262–271. doi:10.2307/3261672. JSTOR3261672.
Epp, Eldon Jay (September 1974). "The Twentieth Century Interlude in New Testament Textual Criticism". Journal of Biblical Literature. 93 (3): 395. doi:10.2307/3263386. JSTOR3263386.
PAM (partitioning around medoids) is a multivariate analysis technique. For a description, see Timothy J. Finney. "Views of New Testament Textual Space". Retrieved 16 March 2013.