The content consists of hand written notes, legal documents, correspondence, memos, invoices and printed material relating to various legal cases. Cowin’s advocate work included individual estates (last will and testament), the sale of properties, representing people on behalf of the board of guardian authorities, a bigamy case, larceny, injury at work, illegitimacy, a battery and assault case and divorce cases. Other clients Cowin represented included Dr Sir Alex Cannon (Ballamoar Castle) Second World War internees (Emilio Cassettari, Carlo Farnocchi, Alfredo Fontana and Judah Schryer), various companies and J.H Higgins’ estate and the law suit connected to the crash and his death while flying for Mannin Airways Limited. Further legal documents include pro-forma example documents on how to format legal documentation and records of Cowin’s clients for billing purposes.
Further correspondence includes communication with Donald Stephenson (BBC Controller North Region, 1949-1950) in relation to the various talks Cowin wrote on the Isle of Man. Other correspondence relates to personal letters to D.A. Lindsay.
Miscellaneous printed material includes a second interim report of the committee of Tynwald appointed to consider the establishment of a brine spa at Ramsey, a schedule inventory of household furniture and effects of a Douglas property and an Isle of Man Daily Times (29 November 1930) article reporting a murder case in which Cowin defended.