Association of Masonic Museums, Libraries and Archives in Europe (AMMLA)

Bibliotheca Masonica August Belz (BMAB) - Svizzera

Centre interdisciplinaire d'étude des religions et de la laïcité (CIERL) – Belgio

Centro Ibérico de Estudios Masónicos (CIEM)- Spagna

Groupe de recherche de l'Alpina (GRA) – Svizzera

Institut d'études et de recherches Maçonniques (IDERM) – Francia

Masonic Library & Museum Association (MLMA) – USA

Philalethes - USA

Quatuor Coronati Lodge N. 2076 - Inghilterra

The Library and Museum of Freemasonry – Inghilterra

The Library of the Deutschen Freimaurermuseum - Germania

The Lodge of Research - CC (200) – Irlanda

The Masonic Society – USA

Worcestershire Masonic Library & Museum Trust - Inghilterra

Freimaurerforschung.de