British Fantasy Society was created in 1971.
Los Angeles Science Fantasy Society was created in 1934.
British Arachnological Society was created in 1958.
British Orthodontic Society was created in 1994.
British Psychological Society was created in 1901.
British Society of Gastroenterology was created in 1937.
British Society of Cinematographers was created in 1949.
British Thoracic Society was created in 1982.
British Dragonfly Society was created in 1983.
British Record Society was created in 1889.
British Ecological Society was created in 1913.
British Horse Society was created in 1947.
British Pharmacological Society was created in 1931.