Books
Matthew Henry's Commentary
The commentary most people mean when they say the commentary: warm, plain and preachable, written for readers rather than for scholars, and still the one a general reader is handed first three centuries on.
Matthew Henry, 1662–1714. Written 1708–1710. All 66 books, 1,189 chapters, 6,474,309 words.
Old Testament
New Testament
Matthew Henry's Commentary on the Whole Bible, 1708–1710. Public domain. Henry completed the exposition through the Acts of the Apostles. Romans to Revelation was finished after his death by thirteen ministers, partly from his hearers' notes.