In September 2022, the European Route of Brick Gothic Association, its history and activities were presented at the 17th International Congress of Brick Architecture in Wismar.
The associated conference proceedings were published in May 2023.
You can view the proceedings here (in German):
Dr. Edith Kowalski: Die Europäische Route der Backsteingotik e. V., in: „Backsteinbaukunst – zur Denkmalkultur in Europa“, Band XI, Dokumentation des 17. Internationalen Kongresses 2022 in Wismar „Backstein – Vielfalt gebrannter Erde. Vom Dachziegel bis zur Terrakotta“
See also the website of the organization Europäisches Zentrum der Backsteinbaukunst e. V.