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Are you Roger Hahn, author of the books below?
The Tower Menagerie by Roger Hahn Pierre Simon Laplace, 1749–1827 by Roger Hahn THE SOUNDS OF LOUISIANA by Roger Hahn The Anatomy of a Scientific Institution by Roger Hahn The Sounds of Louisiana by Roger Hahn The New Calendar of the Correspondence of Pierre Simon Laplace by Roger Hahn A Bibliography of Quantitative Studies on Science and Its His... by Roger Hahn Calendar of the correspondence of Pierre Simon Laplace by Roger Hahn L'ANATOMIE D'UNE INSTITUT SCIEN by Roger Hahn Sounds of Louisiana, The by Roger Hahn


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