Chiron and Friends
Chiron and other Centaurs (Pholus, Nessus) in astrology, astronomy and mythology. Information on asteroids, minor planets and exoplanets by Zane Stein.

Chiron Astrology
Research and writings about Chiron, by Martin Lass. Book excerpts, library and biography.

Jacob Schwartz, Ph.D
Articles about asteroids and astrology, with analysis of the September 11th terrorist attacks and Timothy McVeigh's chart. Also features a complete asteroid name list.

Magi Society
Advocates the use of planetary geometry, declinations and chiron. Articles, lessons, software and FAQ.

Mark Andrew Holmes' Astrology Pages
Extensive personal research into asteroids, comets and other objects.

The Astrology of The Centaurs
Wide selection of essays and astronomical data on the astrological centaurs, much of which is available also in Spanish. Home also of the freeware calculation program Riyal.

The Centaur Research Project
Ephemerides, mythological information, research material and news.

Treehouse Mountain
Asteroid ephemerides, keywords and lessons, with book list and archives.