Notes Encyclopedia, MS Encarta 2001, under article "Galatia". Barraclough, Geoffrey, ed. HarperCollins Atlas of World History. 2nd ed. Oxford: HarperCollins, 1989. 76–77. John King, Celt Kingdoms, pg. 74–75. The Catholic Encyclopedia, VI: Epistle to the Galatians. Stephen Mitchell, 1993. Anatolia: Land, Men, and Gods in Asia Minor vol. 1: "The Celts and the Impact of Roman Rule." (Oxford: Clarendon Press) 1993. . Concentrates on Galatia; volume 2 covers "The Rise of the Church". (Bryn Mawr Classical Review) David Rankin, (1987) 1996. Celts and the Classical World (London: Routledge): Chapter 9 "The Galatians". Coşkun, A., "Das Ende der "romfreundlichen Herrschaft" in Galatien und das Beispiel einer "sanften Provinzialisierung" in Zentralanatolien," in Coşkun, A. (hg), Freundschaft und Gefolgschaft in den auswärtigen Beziehungen der Römer (2. Jahrhundert v. Chr. – 1. Jahrhundert n. Chr.), (Frankfurt M. u. a., 2008) (Inklusion, Exklusion, 9), 133–164. Justin K. Hardin: Galatians and the Imperial Cult. A Critical Analysis of the First-Century Social Context of Paul's Letter. Mohr Siebeck, Tübingen, Germany 2008, .
Notes Encyclopedia, MS Encarta 2001, under article "Galatia". Barraclough, Geoffrey, ed. HarperCollins Atlas of World History. 2nd ed. Oxford: HarperCollins, 1989. 76–77. John King, Celt Kingdoms, pg. 74–75. The Catholic Encyclopedia, VI: Epistle to the Galatians. Stephen Mitchell, 1993. Anatolia: Land, Men, and Gods in Asia Minor vol. 1: "The Celts and the Impact of Roman Rule." (Oxford: Clarendon Press) 1993 . Concentrates on Galatia; volume 2 covers "The Rise of the Church". (Bryn Mawr Classical Review) David Rankin, (1987) 1996. Celts and the Classical World (London: Routledge): Chapter 9 "The Galatians". Coşkun, A., "Das Ende der "romfreundlichen Herrschaft" in Galatien und das Beispiel einer "sanften Provinzialisierung" in Zentralanatolien," in Coşkun, A. (hg), Freundschaft und Gefolgschaft in den auswärtigen Beziehungen der Römer (2. Jahrhundert v. Chr. – 1. Jahrhundert n. Chr.), (Frankfurt M. u. a., 2008) (Inklusion, Exklusion, 9), 133–164. Justin K. Hardin: Galatians and the Imperial Cult. A Critical Analysis of the First-Century Social Context of Paul's Letter. Mohr Siebeck, Tübingen, Germany 2008, .