_:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 "2023-05-20"^^ . _:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 "068306970" . _:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 . _:Bf55c953530fdd6818a3f829baa48c935 . . . "David Leonard Clarke" . . . "1976"^^ . "David Leonard" . _:Bf55c953530fdd6818a3f829baa48c935 . "Clarke" . "1937"^^ . "Clarke, David Leonard (1937-1976)" .