"Jackson" . "1915"^^ . "Geoffrey" . "Jackson, Geoffrey (1915-1987)" . "1987"^^ . . . . "Geoffrey Jackson" . _:B49b83b3e90c0ce7115e4b518a607d021 . . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 "2023-05-19"^^ . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 "068491247" . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 . _:B49b83b3e90c0ce7115e4b518a607d021 .