John Gills Exposition of the Bible Commentary - Exodus 29:7
Then thou shall take the anointing oil , After ordered to be made of principal spices, myrrh, cinnamon, calamus, cassia, and oil olive, Exodus 30:23 . and pour it upon his head, and anoint him ; this was done, according to Jarchi, in the form of the letter "chi" as before; the oil was put upon his head and between his eyebrows, and he joined them with his finger: Aben Ezra thinks this was done before the mitre was put upon his head, for upon the head was the oil only poured; but... read more
Matthew Henry's Complete Commentary - Exodus 29:1-37
Here is, I. The law concerning the consecration of Aaron and his sons to the priest's office, which was to be done with a great deal of ceremony and solemnity, that they themselves might be duly affected with the greatness of the work to which they were called, and that the people also might learn to magnify the office and none might dare to invade it. 1. The ceremonies wherewith it was to be done were very fully and particularly appointed, because nothing of this kind had been done before,... read more