| 41. | In 1947 he joined the staff of the Mus�um national d'Histoire naturelle.
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| 42. | Ethnologie des Francophones en Am�rique du Nord, d�partement d Histoire, facult?des Lettres
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| 43. | ?Claude Cahen : histoire et engagement politique.
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| 44. | Lucas was an assistant-naturalist at the Mus�um national d'Histoire naturelle.
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| 45. | His " Histoire de B�arn " was published at Paris in 1640.
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| 46. | L histoire secrete " with his account.
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| 47. | The type specimen is in the Mus�um National d'Histoire Naturelle de Paris.
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| 48. | The specimen is deposited in the Mus�um national d'Histoire naturelle in Paris.
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| 49. | The specimen in the Mus�um National d'Histoire Naturelle is the type specimen.
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| 50. | It is deposited at the Museum National d'Histoire Naturelle ( P ).
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