Gregory, C. R., Textkritik des Neuen Testaments. Leipzig, 1900-1909.
Gregory, C. R., Einleitung in das Neue Testament. Leipzig, 1909.
Gregory, C. R., Canon and Text of the New Testament. Edinburgh, 1908.
Kenyon, F. G., Handbook to the Textual Criticism of the New Testament. Second edition. London, 1912 .
Lake, K., The Text of the New Testament. Second edition. London, 1905.
Milligan, G., Selections from the Greek Papyri. Cambridge, 1910.
Nestle, E., Einfuhrung in das Griechischen Neue Testament. Gottingen, 1899.
Scrivener, F. H., A Plain Introduction to the Criticism of the New Testament. Fourth edition. London, 1894.
Thompson, E. M., Handbook of Greek and Latin Palaeography. Second edition. London, 1894.
Westcott and Hort, The New Testament in Greek, with Introduction. Cambridge, 1896.
Von Soden, H., Die Schriften des Neuen Testaments. Berlin, 1910.
Zahn, Theo., Introduction to the New Testament. Edinburgh, 1910.