Dr. phil. Dorian Gieseler Greenbaum · University of Wales Trinity St David – The Origins of Questions in Astrology. – New Perspectives on the History of Astrological Doctrines and Practices – Astra Project Conference, Monastery of Batalha, 6 May 2023.

https://www.youtube.com/watch?v=58Nl7rvqtJE&list=PLkqlBL5O0QWcP6inFigOYMpWWlBAyZD6k&index=2 – https://talk.vonabisw.de/Greenbaum/1.mp4

Dr. phil. Luís Ribeiro / Prof. Dr. Charles Burnett – Astrologers at Work: Essays on the Practices and Techniques of Astrology in Memory of Helena Avelar (Time, Astronomy, and Calendars)