Here are the newest articles on Hebrews that have come out recently:
Cooper, Adam G. "Hope, a Mode of Faith: Aquinas, Luther and Benedict XVI on Hebrews 11:1." Heythrop Journal 53 (2012): 182–190.
Gorman, Heather M. "Persuading through 'Pathos': Appeals to the Emotions in Hebrews." Restoration Quarterly 54 (2012): 77–90.
Martin, Michael W. and Jason A. Whitlark. "Choosing What Is Advantageous: The Relationship between Epideictic and Deliberative Syncrisis in Hebrews." New Testament Studies 58.3 (2012): 379–400.
Rüpke, Jörg. "Starting Sacrifice in the Beyond : Flavian Innovations in the Concept of Priesthood and Their Repercussions in the Treatise "To the Hebrews." Revue de l'histoire des religions 229 (2012): 5–30.