_:Be0ec1b382047af955d42aff9fc05100b . "David" . "Stevenson" . "1942"^^ . "David Stevenson" . . . "Stevenson, David (1942-)" . . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b "2023-05-21"^^ . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b "069264937" . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b . _:Be0ec1b382047af955d42aff9fc05100b .