I have been 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 43 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Literary analysis of Psalm 43: http://psalmsstudy.com/psalms-literary-analysis-by-chapter/literary-analysis-psalm-43-god-keenest-joy
Into the Word with Paul Carter: https://ca.thegospelcoalition.org/into-the-word/psalms-42-43
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps042-43.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_043.pdf
Psalm 43 devotional: https://www.generations.org/devotionals/54
John Piper, I Will Go to God, My Exceeding Joy: https://www.desiringgod.org/messages/i-will-go-to-god-my-exceeding-joy
W. H. Bellinger’s comments: https://www.workingpreacher.org/commentaries/revised-common-lectionary/ordinary-31/commentary-on-psalm-43-4