The New Testament makes several typological references to incense, including a Christological reference to the coals from the altar of incense taken behind the veil on the Day of Atonement (Hebrews 9:3-4),[5] and a reference to the prayers of believers as incense (Revelation 5:8).[6] In later Christian typology the smoke of incense in the tabernacle typically signifies offered prayer.[7] This was developed in medieval Christian art.[8] In the Catholic Church, the Eastern Orthodox Church and a considerable part of the Anglican Church, and among some Lutheran churches as well, incense is still used in liturgical rites as well as in some popular devotions outside of church liturgies.[citation needed]