Easton’s Bible Dictionary

Kingdom of God

(Matt. 6:33; Mark 1:14, 15; Luke 4:43) = “kingdom of Christ” (Matt. 13:41; 20:21) = “kingdom of Christ and of God” (Eph. 5:5) = “kingdom of David” (Mark 11:10) = “the kingdom” (Matt. 8:12; 13:19) = “kingdom of heaven” (Matt. 3:2; 4:17; 13:41), all denote the same thing under different aspects, viz.: (1) Christ’s mediatorial authority, or his rule on the earth; (2) the blessings and advantages of all kinds that flow from this rule; (3) the subjects of this kingdom taken collectively, or the Church.

The International Standard Bible Encyclopedia (1915)The classic article on this subjectEaston’s Bible Dictionary (1897)What the Bible says, point by point on this subject

Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.