[14] Harnack, Die Apostelgeschichte, 1908, pp. 111-130 (English Translation, The Acts of the Apostles, 1909, pp. 133-161).
[15] For what follows, compare "Jesus and Paul," in Biblical and Theological Studies by the Members of the Faculty of Princeton Theological Seminary, 1912, pp. 553f.; "Recent Criticism of the Book of Acts," in Princeton Theological Review, xvii, 1919, pp. 593-597.
[16] J. Weiss, Urchristentum, 1914, p. 107: "It is simply impossible for us to erase it [the Book of Acts] so completely from our memory as to read the Epistle to the Galatians as though we had never known Acts; without the Book of Acts we should simply not be able to understand Galatians at all."
[17] Krenkel, Beiträge zur Aufhellung der Geschichte und der Briefe des Apostels Paulus, 1890, pp. 1-17.
[18] Einleitung in das Neue Testament, 3te Aufl., i, 1906, pp. 48-50 (English Translation, Introduction to the New Testament, 2nd ed., 1909, i, pp. 68-70).
[19] De vir. ill. 5 (ed. Vall. ii, 836).
[20] Comm. in Philem. 23 (ed. Vall. vii, 762).
[21] The Cities of St. Paul, 1908, pp. 85-244.
[22] Die Geisteskultur von Tarsos, 1913
[23] Compare Mommsen, "Die Rechtsverhältnisse des Apostels Paulus," in Zeitschrift für die neutestamentliche Wissenschaft, ii, 1901, pp. 88-96.