Vivian E. Robson, Electional Astrology

JOHN GADBURY, THE DOCTRINE OF HORARY QUESTIONS

GUIDO BONATUS, Anima Astrologiae

Max Heindel, ASTRO-DIAGNOSIS A GUIDE TO HEALING

Max Heindel, SIMPLIFIED SCIENTIFIC ASTROLOGY

Max Heindel, THE MESSAGE OF THE STARS

William Lilly, Christian Astrology

William Ramsey, Astrology Restored

• Vivian E. Robson, Electional Astrology
• JOHN GADBURY, THE DOCTRINE OF HORARY QUESTIONS
• GUIDO BONATUS, Anima Astrologiae
• Max Heindel, ASTRO-DIAGNOSIS A GUIDE TO HEALING
• Max Heindel, SIMPLIFIED SCIENTIFIC ASTROLOGY
• Max Heindel, THE MESSAGE OF THE STARS
• William Lilly, Christian Astrology
• William Ramsey, Astrology Restored