Tham khảo Thiên_sứ

  • Cheyne, James Kelly (ed.) (1899). Angel. Encyclopædia biblica. New York, Macmillan.
  • Driver, Samuel Rolles (Ed.) (1901) The book of Daniel. Cambridge UP.
  • Hastings, James (ed.) (1898). Angel. A dictionary of the Bible. New York: C. Scribner's sons.
  • Oosterzee, Johannes Jacobus van. Christian dogmatics: a text-book for academical instruction and private study. Trans. John Watson Watson and Maurice J. Evans. (1874) New York, Scribner, Armstrong.
  • Smith, George Adam (1898) The book of the twelve prophets, commonly called the minor. London, Hodder and Stoughton.
  • Bamberger, Bernard Jacob, (March 15, 2006). Fallen Angels: Soldiers of Satan's Realm. Jewish Publication Society of America. ISBN 0-8276-0797-0
  • Bennett, William Henry. Angel. 1911 Encyclopædia Britannica
  • Briggs, Constance Victoria, 1997. The Encyclopedia of Angels: An A-to-Z Guide with Nearly 4,000 Entries. Plume. ISBN 0-452-27921-6.
  • Bunson, Matthew, (1996). Angels A to Z: A Who's Who of the Heavenly Host. Three Rivers Press. ISBN 0-517-88537-9.
  • Cruz, Joan C. 1999. Angels and Devils. Tan Books & Publishers. ISBN 0-89555-638-3.
  • Davidson, Gustav. A Dictionary of Angels: Including the Fallen Angels. Free Press. ISBN 0-02-907052-X
  • Graham, Billy, 1994. Angels: God's Secret Agents. W Pub Group; Minibook edition. ISBN 0-8499-5074-0
  • Guiley, Rosemary, 1996. Encyclopedia of Angels. ISBN 0-8160-2988-1
  • Kreeft, Peter J. 1995. Angels and Demons: What Do We Really Know About Them? Ignatius Press. ISBN 0-89870-550-9
  • Lewis, James R. (1995). Angels A to Z. Visible Ink Press. ISBN 0-7876-0652-9
  • Melville, Francis, 2001. The Book of Angels: Turn to Your Angels for Guidance, Comfort, and Inspiration. Barron's Educational Series; 1st edition. ISBN 0-7641-5403-6
  • Ronner, John, 1993. Know Your Angels: The Angel Almanac With Biographies of 100 Prominent Angels in Legend & Folklore-And Much More! Mamre Press. ISBN 0-932945-40-6.
  • Swedenborg, Emanuel (1979). Conjugal Love. Swedenborg Foundation. ISBN 0-87785-054-2