CALVERT. - Information whether Gerald North Calvert (last heard New York 1905) is living or dead and if dead whether he left Will, if so what persons appointed Executors, if he died intestate whether he left any issue other than Loela Calvert Behrens Riddell and claims should be sent to John Trevor Yates 14 Moorgate, London, E.C.2, by 17th November, 1950. In default claims excluded. Trevor C. Newman, Master.
Source: Andrews Collection. Institute of Heraldic and Genealogical Studies, Canterbury, Kent, England