Not sure if you could classify a Covenanter of the 1800's as a Puritan but here is a link to download a few of the best Covenanter Works you will find.
Christ's Headship Over The Nations - Dr. Andrew Symington
and
Messiah the Prince, or the Mediatorial Kingdom of Christ - Dr. William Symington
Messiah the Prince is downloadable on other links of the board in PDF but this is in Word.
Mediatorial King
Christ's Headship Over The Nations - Dr. Andrew Symington
and
Messiah the Prince, or the Mediatorial Kingdom of Christ - Dr. William Symington
Messiah the Prince is downloadable on other links of the board in PDF but this is in Word.
Mediatorial King