Book of Astronomy 1st Edition: Introduction
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This downloadable PDF is the Introduction to the 1st Edition of the Book of Astronomy (65 slides).
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Persian Nativities III: On Solar Revolutions
This third volume of the Persian Nativities series is a translation of the surviving Latin version of Abu Ma’shar’s On the Revolutions of the Years of Nativities. It covers all of the primary predictive techniques: profections, solar revolutions, distributions, transits, and firdaria.

Workshop: Elements of Solar Revolutions
This 2.5-hour workshop shows in great detail how to understand and combine several traditional techniques for analyzing a native's chart from year to year, using solar revolutions (solar returns), profections, and the direction of the Ascendant of the solar revolution. Length 2:34:55, 71MB.
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A Traditional Approach to Lots
This workshop presents rules and numerous example charts for 6 Lots (“Arabic Parts”) useful in natal interpretation: the Lots of the father, mother, children, marriage, friends, and work/action. No previous knowledge of Lots or allegiance to traditional methods is assumed. See longer description below. Contains: MP3 and slides. Length: 2:50:00, 78MB.

Introductions to Traditional Astrology: Abu Ma’shar & al-Qabisi
Introductions to Traditional Astrology (ITA) is a joint translation of two classic introductory works: Abu Ma’shar’s Abbreviation of the Introduction to Astrology, and al-Qabisi’s Introduction to Astrology. It also includes numerous passages from Abu Ma’shar’s Great Introduction (never before published in English) and other medieval astrologers on interpretating traditional concepts. (425 pages)

AFA 2011 Traditional Astrology Conference
In September 2011, the oldest American astrological association, the American Federation of Astrologers, hosted a three-day traditional astrology conference. Held in honor of James Holden's research into and historic translations of traditional texts, Benjamin Dykes, Demetra George, and Chris Brennan gave extensive presentations on numerous traditional concepts and techniques. Running at 13 hours of audio (375 MB), this audio download contains MP3 recordings of the proceedings, plus many PDF slides and study aids. See list of lectures below.

Works of Sahl & Masha’allah
Sahl bin Bishr (Zahel) and Masha’allah were two of the most influential medieval astrologers from the Arabic period. In a new work of 618 pages, Dr. Benjamin Dykes translates 16 of their most important works–many of them for the first time in any modern language! This essential work in medieval astrology includes many charts and lengthy introductory remarks and explanations by the translator.

Persian Nativities I: Masha’allah & Abu ‘Ali
This first volume of the Persian Nativities series contains a translation of The Book of Aristotle (thought to be by Masha’llah) and On the Judgments of Nativities by his follower, Abu ‘Ali al-Khayyat.
Preview the introduction here.

The Forty Chapters of al-Kindi
The famous, “first” Arab philosopher, al-Kindi (ca. 801-870 AD) wrote many instructional letters and works on astrology and the universe. The Forty Chapters is on horary and electional astrology: answering questions and choosing auspicious times to act. It is the second volume in the horary trilogy, preceded by The Search of the Heart and followed by The Book of the Nine Judges.

Bonatti’s 146 Considerations
The famous handbook of Considerations for judging charts retranslated. Coley’s paraphrased edition is superseded by this version, including key passages on the role of God and freedom in horary. (89 pp). Click here for a PDF excerpt.

The Book of the Nine Judges
The great medieval compendium of Persian and Arabic masters
The Book of the Nine Judges is the largest traditional compilation of horary astrology, drawn from nine Persian and Arabic astrologers. Translated from Arabic sources chiefly by the 12th-Century Latin translator Hugo of Santalla, it achieved legendary status but has never before been translated into any modern language. It includes material by Masha’allah, ‘Umar al-Tabari, Abu Ma’shar, Sahl bin Bishr, al-Kindi, Abu ‘Ali al-Khayyat, “Dorotheus,” “Aristotle,” and Jirjis. Click here for a PDF excerpt.
