_:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 "2023-05-23"^^ . _:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 "068380860" . _:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 . _:B38621822b1fd0c591df40756c9c84c11 . "Sickenga, Folkertinus Nicolaas (1840-1916)" . . . "Folkertinus Nicolaas Sickenga" . "1840"^^ . . "Folkertinus Nicolaas" . "1916"^^ . "Sickenga" . _:B38621822b1fd0c591df40756c9c84c11 .