Sage is also having a journal preview of Theology and Theology Today until July 28. There isn’t much there on Galatians but you can pick up an article or two and a number of book reviews. Click on the title to reach the tale of contents for that issue.
Hebert, Gabriel. “‘Faithfulness’ and ‘Faith’.” Theology. 58:424 (1955): 373-379.
Jewett, Paul King. “Children of Grace.” Theology Today. 44:2 (1987): 170-178.
Walker, P. K. “A Meditation on Galatians 4.4-6.” Theology. 63:478 (1960): 150-152.
Paul's Epistle to the Galatians 