"Robert Helmer" . . "MacArthur" . . "1972"^^ . . "1930"^^ . "Robert Helmer MacArthur" . "MacArthur, Robert Helmer (1930-1972)" . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 "2023-05-20"^^ . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 "071561927" . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 . _:Bb0d7f0c97161a9ece0f3e6faffd8a723 .