Incoming Resources
- Comets, visitors from deep space, David J. Eicher, Astronomy magazine
- Explore comets and asteroids, Anita Yasuda ; illustrated by Bryan Stone
- Asteroids, meteorites, and comets, Linda T. Elkins-Tanton
- Cosmic phenomena, [comets, eclipses, meteor showers], Gabriele Vanin
- Far-out guide to asteroids and comets, Mary Kay Carson