A Citizen of Zion
Matthew Poole's commentary on Psalm 15, which he explains is intended to describe the character of a holy and happy man, and the way to true blessedness.
Holiness
Who Shall Dwell on God's Holy Hill?
Matthew Henry's commentary on Psalm 15, which he explains is intended to reveal the way to heaven by describing the fundamental characteristics of those who are on it, and who will, in the end, reach its destination.
Walking With God
Henry Scudder (1584–1659) defines what it is to walk with God, describes its characteristics and various evidences it produces, and gives reasons why walking with God is essential to those who are called by His name.