1925. Being the Bona Fides of Astrology as Antecedent to its Application and Practice, Its Principia Fully Elucidated and the True Foundation of the Doctrine Rationalized. Hazelrigg was the founder and president of the American Society of Astrologians. A study guide on the Fundamentals of Hermetic Science, Hazelrigg explains that Hermeticism may be defined as that system of philosophy or mentalism that treats of the Doctrine of Correspondences, by which the identities and co-relationships of principles throughout all departments of Being are tested and made explicable. Drawings by the author. See other books by this author available from Kessinger Publishing.