The original, nature and advantages of [union]: Or, The imitation of Christ's Kingdom, the duty and security of all other kingdoms. A sermon preach'd May 1. 1707. Upon the wonderful and happy union of the two ancient kingdoms, that day compleated. By the Reverend Mr. Collins, vicar of Burham in Kent; and chaplain to the Right Honourable Mary, countess dowager of Faucenberg. Publish'd at the earnest request of his friends.