All rituals are "correct." What a Grand Lodge approves as its ritual is "correct" for its lodges. No rituals in the United States contradict each other; they vary in words and details, not in essentials.
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Michael De Molinos - The Spiritual Guide The Rich Treasure Of Internal PeaceMedieval Grimoires - Arbatel Of Magic Or The Spiritual Wisdom Of The Ancients
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Eliphas Levi - The Magic Ritual Of The Sanctum Regnum
Anonymous - 5 Rune Magic Rituals Never Seen In Print Before