Filmlisten – https://www.youtube.com/playlist?list=PLCKPz4q3EX-t6LgOidGkEOIutgurtIsQT

–https://www.youtube.com/playlist?list=PLqrXs5EoIK0mNbangkbHFuP1Iz09OrQrD

–https://www.youtube.com/playlist?list=PLWfUcScvQbEwfK8w2Mto4FKq4heNjQedo

–https://www.youtube.com/playlist?list=PL16VkJPkBmjE8oqiTbqZUyO-_Sm49YdIo

Homepages – https://astropsychology.org/glenn-perry-bio/ – https://aaperry.com

Books – https://aaperry.com/astrology-books/ – https://www.amazon.com/s?i=stripbooks&rh=p_27%3AGlenn+Perry+Ph.D.&s=relevancerank&language=de&text=Glenn+Perry+Ph.D.&ref=dp_byline_sr_book_1

ISAR = International Society for Astrological Research – ISAR Homepage – https://www.isarastrology.com

Online ISAR Journal – http://onlinedigeditions.com/publication/?m=26719&i=268521&p=4&ver=html5 – https://cdn.coverstand.com/26719/268521/6b568e9e125d2b6da966dd7ba1537e66fff9bf89.1.pdf

AstroWiki – German – about ISAR – https://www.astro.com/astrowiki/de/ISAR

Robert Currey: Is Astrology Returning to an Age of Endarkenment? – https://www.astro.com/astrology/aa_article201201_e.htm

Correlation – Journal of Research into Astrology –

https://correlationjournal.com – https://www.youtube.com/watch?v=1QE3kow2WqU

Clearing the Logjam in Astrological Research

https://astrologynewsservice.com/research/clearing-the-logjam-in-astrological-research/

Astrology Research – https://www.youtube.com/watch?v=RIBFfc55OBs

OPA – The Organization for Professional Astrology – https://www.opaastrology.org – on Youtube – https://www.youtube.com/@opacommunityoutreach9073/videos – Astrowiki – https://www.astro.com/astrowiki/de/Organization_for_Professional_Astrology

–https://www.astro.com/astrowiki/de/Kategorie:Astrologische_Vereinigung