Commentaries:
John Barton, Isaiah 1-39 (Old Testament Guides; Sheffield: Sheffield Academic Press, 1995.
Joseph Blenkinsopp, Isaiah 1-39 (Anchor Bible 19; New York: Doubleday, 2000).
Brevard S. Childs, Isaiah (Old Testament Library; Louisville: Westminster, 2001).
J. J. M. Roberts, First Isaiah. Hermeneia (Minneapolis: Fortress, 2015).
G. M. Tucker, “The Book of Isaiah 1-39,” New Interpreter’s Bible 6:27-305.
Themes:
J. J. Collins, “The Sign of Immanuel,” in John Day, ed., Prophecy and the Prophets in ancient Israel (London: T&T Clark, 2010), 225-44.
J. D. Levenson, Sinai and Zion (New York: Harper, 1987), 89-184.
H. G. M. Williamson, Variations of a Theme: King, Messiah and Servant in the Book of Isaiah (Carlisle: Paternoster, 1998).
Robert R. Wilson, Prophecy and Society in Ancient Israel (Philadelphia: Fortress, 1980).
Isaiah: Hebrew Prophet, at Encyclopedia Britannica
YDS Old Testament Interpretation, Part 2 – Lecture 4, by John Collins
Overview: Isaiah 1-39, at the Bible Project
“Expectations” (Christmas), Chapter, Verse, and Season: A Lectionary Podcast