Vrijmetselarij Museum (Den Haag)
Leerstoel GHF (Universiteit van Amsterdam)
Bibliotheca Philosophica Hermetica (Amsterdam)
Library & Museum of Freemasonry (London, UK)
ESSWE - European Society for the Study of Western Esotericism
EXESESO - Exeter Centre for the Study of Esotericism
Centro de Estudios Históricos de la Masonería Española
Centro de Estudos Maçónicos Fernando Pessoa (Portugal)