http://dailywestminster.wordpress.com/2012/04/11/lc53-4/
Westminster Larger Catechism
Q. 53. How was Christ exalted in his ascension?
A. Christ was exalted in his ascension, in that having after his resurrection often appeared unto and conversed with his apostles, speaking to them of the things pertaining to the kingdom of God,[220] and giving them commission to preach the gospel to all