Incoming Resources
- Comet, Carl Sagan, Ann Druyan
- The universe, explore the edges of the unknown, produced by Flight 33 Productions for History Television Network Productions ; producer, Samual K. Dolan ; director, Douglas J. Cohen, The complete season three
- The universe, explore the edges of the unknown, produced by Flight 33 Productions for History Television Network Productions ; producer, Samual K. Dolan ; director, Douglas J. Cohen, The complete season three
- To catch a comet, Darlow Smithson Productions Limited ; produced and directed by Rory Griffin
- The great Christ comet, revealing the true Star of Bethlehem, Colin R. Nicholl
- Comets, visitors from deep space, David J. Eicher, Astronomy magazine