_:B9942ea755e155a20cda9242ab349b88a . "Mitchell, William" . "1879"^^ . "Mitchell" . "1936"^^ . . "Mitchell, Billy (1879-1936)" . "stichter amerikaanse luchtmacht"@nl . . . "Billy" . "Billy Mitchell" . . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a "2023-05-20"^^ . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a "126923957" . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a . _:B9942ea755e155a20cda9242ab349b88a .