"Leusen, I. (1923-)" . _:Bfc46ca8ee1a7368773a598a16a654908 . . "Leusen" . "I. Leusen" . . . "Leusen, Isidoor" . . "1923"^^ . "I." . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 "2023-05-19"^^ . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 "067785301" . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 . _:Bfc46ca8ee1a7368773a598a16a654908 .