I am working on a commentary on the Psalms. I have decided to compile some helpful links that I discovered during my research. It includes a mix of exegetical and sermonic links. Here is what I have for Psalm 84 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Ray Stedman., “The Living God,” Psalm 84: https://www.raystedman.org/old-testament/psalms/the-living-god
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps084.pdf
Spokane Bible Church: http://www.spokanebiblechurch.com/books/psalm-84
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_084.pdf
Martyn Lloyd-Jones, True Religion: https://www.mljtrust.org/sermons-online/psalms-84-1-12/true-religion
Psalm 84 devotional: https://www.generations.org/devotionals/97
Daniel Akin sermon resources: https://www.danielakin.com/better-is-one-day-in-your-courts-than-thousands-elsewhere-through-the-psalms-series