Complex sentence: This led to his three-volume Dissertation on the Prophecies of the Old Testament (1793--1800), which he printed and published himself; it was republished in London in 1817 in two volumes.
Split into simpler sentences: This led to his three-volume "Dissertation on the Prophecies of the Old Testament" (1793--1800), which he printed and published himself. It was republished in London in 1817 in two volumes.