A Comprehensive Commentary on the Quran: Comprising Sale’s Translation and preliminary Discourse, with Additional Notes and Emendations (London: Kegan Paul, Trench, Trubner, and Co., 1896). 4 vols. http://oll.libertyfund.org/titles/1927,
A 4 volume edition of the Quran based upon Sale’s translation of 1734 with later commentary and notes by Wherry.
The text is in the public domain.