@book {4647,
	title = {Catalogue des monnaies musulmanes de la Biblioth{\`e}que nationale. Espagne et Afrique},
	year = {1891},
	note = {<p>1133 pi{\`e}ces.</p>
},
	publisher = {Impr. nationale},
	organization = {Impr. nationale},
	address = {Paris},
	url = {http://gallica.bnf.fr/ark:/12148/bpt6k399055v},
	author = {Henri Lavoix and Biblioth{\`e}que nationale (France)}
}
@book {4646,
	title = {Catalogue des monnaies musulmanes de la Biblioth{\`e}que nationale. Khalifes orientaux},
	year = {1887},
	note = {<p>1691 pi{\`e}ces.</p>
},
	publisher = {Impr. nationale},
	organization = {Impr. nationale},
	address = {Paris},
	url = {http://gallica.bnf.fr/ark:/12148/bpt6k399054g},
	author = {Henri Lavoix and Biblioth{\`e}que nationale (France)}
}
