In this article on the intrusion ethics of Meredith G Kline, the author also discusses theocracy in the Old Testament, the eschatological kingdom of God in the Old Testament, theonomy, and the relation Old Testament and New Testament.

This article looks at the supremacy of Christ, especially in the book of Hebrews. The author also looks at the new covenant as being better than the old covenant (relation Old Testament and New Testament): it is more inclusive (it includes Gentiles); it has a better Mediator; a better High Priest; a better King; and a better revelation of God.