- Johannesburg (République de l'Afrique du Sud
)
appearing in yearbooks from 1933 to 1953
Siège administratif / Bureaux
Austin friars, 10-11 - Londres (Grande Bretagne et Irlande du Nord
, Angleterre
)
appearing in yearbooks from 1933 to 1940
Vicears house, childwickbury, saint-albans, herts - Londres (Grande Bretagne et Irlande du Nord
, Angleterre
)
appearing in yearbooks from 1948 to 1948
Austin friars, 10 et 11 a - Londres (Grande Bretagne et Irlande du Nord
, Angleterre
)
appearing in yearbooks from 1953 to 1953