. . "Jan de Vries" . "historicus/archeoloog" . _:B3417dbb704409fda935f199321887816 . . . "1943"^^ . "Vries, Jan de (1943-)" . "Jan" . "vrie105" . "de Vries" . "Jan de Vries" . _:B3417dbb704409fda935f199321887816 . _:B3417dbb704409fda935f199321887816 "2021-02-08"^^ . _:B3417dbb704409fda935f199321887816 . _:B3417dbb704409fda935f199321887816 . _:B3417dbb704409fda935f199321887816 . _:B3417dbb704409fda935f199321887816 . _:B3417dbb704409fda935f199321887816 .