John J. Collins, “The Penumbra of the Canon. What do the Deuterocanonical Books Represent?,” in Géza G. Xeravits, József Zsengellér, Xavér Szabó, eds., Canonicity, Setting Wisdom in the Deuterocanonicals (Berlin: de Gruyter, 2014) 1-17.
Timothy H. Lim, The Formation of the Jewish Canon (Anchor Yale Bible Reference Library. New Haven: Yale, 2013).
Lee M. McDonald and James A. Sanders, eds. The Canon Debate (Peabody, MA: Hendrickson, 2002).
Alvert C. Sundberg, The Old Testament of the Early Church (Cambridge, MA: Harvard, 1964).
A Brief History of the Bible Part 1: Old Testament Timeline, at Google Images