George Haydock's Catholic Bible Commentary - Hebrews 8:5
Who serve unto, &c. The priesthood of the law and its functions were a kind of an example, and shadow of what is done by Christ in his Church militant [on earth] and triumphant [in heaven], of which the tabernacle was a pattern. (Challoner) read more
George Haydock's Catholic Bible Commentary - Hebrews 8:4
If then he were on earth, he would not be a priest. He speaks of a priest according to the custom of the Jews, where none were priests but of the tribe of Levi, and Jesus Christ was of the tribe of Juda: and if the law of Moses was to continue, there would not be wanting priests to offer sacrifices according to their worship, though such priests were only employed about things that were types[2] and shadows of heavenly things in the new law after Christ's coming, and of the sacrifices by... read more