Williamson has authored major commentaries on Ezra/Nehemiah in the Word Biblical Commentary series and a multi-volumed commentary of Isaiah 1-27 for the International Critical Commentary series. For the latter, volume 1 was published in 2006 and volume 2 in 2019.[2]
He has been chairman of the British Academy’s Humanities Group and also chairman of the Anglo-Israel Archaeological Society.[3]
He remains secretary to the executive committee of the Semantics of Ancient Hebrew Database project.[2]
Williamson remains active in his research interests, which include the Book of Isaiah and the Achaemenid Period history and literature.[3]
A festschrift was published in 2012 for H. G. M. Williamson on the occasion of his sixty-fifth birthday.[4]
——— (2001). "32. Micah". In Barton, John; Muddiman, John (eds.). Oxford Bible Commentary. pp. 595–599.
——— (2012). "Scribe and Scroll: Revisiting the Great Isaiah Scroll from Qumran". In Clines, David J. A.; Richards, Kent Harold; Wright, Jacob L. (eds.). Making a Difference: Essays on the Bible and Judaism in Honor of Tamara Cohn Eskenazi. Hebrew Bible Monographs. Vol. 49. Sheffield: Sheffield Phoenix Press. pp. 329–42. ISBN978-1-907-53472-0.
——— (2013). "The Vindication of Redaction Criticism". In Dell, Katharine J.; Joyce, Paul M. (eds.). Biblical Interpretation and Method: Essays in Honour of John Barton. Oxford: Oxford University Press. pp. 26–36. ISBN978-0-199-64553-4.
——— (2013). "Isaiah: Prophet of Weal or Woe?". In Gordon, Robert P.; Bartsad, Hans M. (eds.). "Thus Speaks Ishtar of Arbela": Prophecy in Israel, Assyria, and Egypt in the Neo-Assyrian Period. Winona Lake, OH: Eisenbrauns. pp. 273–300. ISBN978-1-575-06282-2.
Provan, Iain W.; Boda, Mark J., eds. (2012). Let us go up to Zion: essays in honour of H. G. M. Williamson on the occasion of his sixty-fifth birthday. Supplements to Vetus Testamentum. Vol. 153. Leiden; Boston: Brill. ISBN978-9-004-22658-6. OCLC801777561.