_:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 "2023-05-22"^^ . _:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 "097494739" . _:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 . _:B668a43e55e91a22286b032f30121e651 . . . "1966"^^ . . "Stephenson" . "1891"^^ . "David Curtis" . _:B668a43e55e91a22286b032f30121e651 . . "David Curtis Stephenson" . "Stephenson, David Curtis (1891-1966)" .