@article {lesure_les_1977,
	title = {Les affiches illustr{\'e}es de la Biblioth{\`e}que de l{\textquoteright}Op{\'e}ra (1850-1950)},
	journal = {Bulletin de la Biblioth{\`e}que Nationale},
	volume = {2},
	number = {2},
	year = {1977},
	pages = {81{\textendash}82},
	author = {Fran{\c c}ois Lesure}
}
