The Library · Medieval tradition
A chapter of On Nativities and Continuous Horoscopy by Abraham Ibn Ezra, c. 1148 CE.
Ibn Ezra's natal interpretation manual + the continuous horoscopy method — annual revolutions chained year to year.
The full chapter text renders in the interactive Library reader, with the engine's cited rules linked to the passages they derive from.
The whole book · The rule book · The Library