The Works of William Perkins, Volume 2 by William Perkins, edited by Paul Smalley and published by Reformation Heritage Books.
This second volume contains Perkins's Commentary on Galatians. Perkins preached on Galatians each Lord's Day for over three years. Ralph Cudworth obtained Perkins's handwritten notes and edited them for publication. Because Perkins did not complete the commentary, Cudworth supplemented the manuscript with his own comments on chapter 6.
This commentary of Perkins and Cudworth on Galatians first appeared in print in 1604, two years after Perkins's death. Perkins's other writings had already begun to be gathered and published. When the three-volume edition of his collected works first appeared, Galatians occupied over 320 large folio pages in the second volume (1609). It continued to appear as a part of several editions of the Works through their final 1635 reprint. Evidently, interest in the commentary warranted its publication again as a separate volume in 1617.
