He co-authored Les Oiseaux de la Chine (1877) with Armand David, and also wrote Les Oiseaux du Cambodge (1899).
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1882-1883, (Birds in the report of the scientific mission of Cape Horn. 1882-1883).
Émile Zola | Émile Durkheim | Emile Clement | Émile Bernard | Paul-Émile Botta | Emile Vandervelde | Émile Loubet | Emile Lahoud | Émile Coué | The Life of Emile Zola | Jacques-Émile Blanche | Émile Vuillermoz | Emile Hirsch | Emile Griffith | Emile Francis | Émile Dewoitine | Emile de Antonio | Émile Blanchard | Emile | Émile Wartel | Émile Moreau | Emile Haynie | Émile Coué's | Emile Claus | Émile Chartier | Émile Bravo | Émile Borel | Émile Baudot | Émile Basly | Emile Bachelet |
He made a large collection of bird specimens from the Marianas between 22 April 1887 and May 1889 and some of them included new bird species (such as the Golden White-eye which were described by Émile Oustalet.