Rulership system in Esoteric Astrology (by Alice A. Bailey): There are 3 kind of sign rulerships: exoteric, esoteric and hierarchical (There are dual rulerships in either of the 3, and the 2nd planet is connected with the 1st by a hyphen). Respectively, here's the list:
Aries: Mars/Mercury/Uranus
Taurus: Venus/Vulcan/Vulcan
Gemini: Mercury/Venus/Earth
Cancer: Moon/Neptune/Neptune
Leo: Sun/Sun-Neptune/Sun-Uranus
Virgo: Mercury/Moon/Jupiter
Libra: Venus/Uranus/Saturn
Scorpio: Mars-Pluto/Mars/Mercury
Sagittarius: Jupiter/Earth/Mars
Capricorn: Saturn/Saturn/Venus
Aquarius: Saturn-Uranus/Jupiter/Moon-Vulcan
Pisces: Jupiter-Neptune/Pluto/Pluto
There are also ray rulerships too, and here is the list of ray rulerships:
Aries: Vulcan, Pluto (Ray 1), Uranus (Ray 7)
Taurus: Moon, Mercury (Ray 4)
Gemini: Sun, Jupiter (Ray 2)
Cancer: Earth, Saturn (Ray 3), Uranus (Ray 7)
Leo: Vulcan, Pluto (Ray 1), Venus (Ray 5)
Virgo: Sun, Jupiter (Ray 2), Mars, Neptune (Ray 7)
Libra: Earth, Saturn (Ray 3)
Scorpio: Moon, Mercury (Ray 4)
Sagittarius: Moon, Mercury (Ray 4), Venus (Ray 5), Mars, Neptune (Ray 6)
Capricorn: Vulcan, Pluto (Ray 1), Earth, Saturn (Ray 3), Uranus (Ray 7)
Aquarius: Venus (Ray 5)
Pisces: Sun, Jupiter (Ray 2), Mars, Neptune (Ray 6)
