I have the complete works of Jonathan Edwards. Very difficult stuff! He was one of those theological Einsteins, but fortunately honest, devout, and Scripture-bound. He was a big Calvinist - meaning, believer in free grace and election. I liked his writings. I could not agree with him on - if I understood him correctly - 'gifts' and experiences in the Spirit (It's long since I read him), and found his views at odds with his Calvinism.
I wrote an animadversion to his sermons on 1Corinthians 16:1-2, Part 3 of Book 3, "The Lord's Day in the Covenant of Grace.
http://www.biblestudents.co.za. (This website is in the process, DV, to be updated. But you can still down-load for free, any of the books or articles.
By the buy, was or is the long-jumper not British? (Only asking.) And does he still hold the world record?