1. Some Characteristics of Medieval Thought
2. Pythagoras and his Philosophy
3. Medicine and Magic
4. Superstitions concerning Birds
5. The Powder of Sympathy: a Curious Medical Superstition
6. The Belief in Talismans
7. Ceremonial Magic in Theory and Practice
8. Architectural Symbolism
9. The Quest of the Philosopher’s Stone
10. The Phallic Element in Alchemical Doctrine
11. Roger Bacon : an Appreciation
12. The Cambridge Platonists
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