Bibliothèque Forney, Hôtel de Sens, 1, rue du Figuier, Fourth Arrondissement; phone 42.78.14.60. Open Tuesday to Saturday 1:30 to 7 p.m.
Bibliothèque Mazarine, 23, Quai de Conti, Sixth Arrondissement; 44.41.44.06;
http://www.bibliotheque-mazarine.fr. Reading room open Monday to Friday, 10 a.m. to 6 p.m.; closed holidays and July 29 to Aug. 15. A pass for two consecutive days is free; a provisional pass, for 10 working days, is 7.50 euros, $9.10 at 1.21 to the euro.
Bibliothèque de l'Arsenal, 1, rue Sully, Fourth Arrondissement; 53.01.25.25; Open Monday to Friday 10 a.m. to 6 p.m.; Saturday 10 a.m to 5 p.m.; closed Sundays, holidays and April 10 to 21.
Bibliothèque Ste.-Genevieve, 10, Place du Panthéon, Fifth Arrondissement; 44.41.97.97; www-bsg.univ-paris1.fr. Open Monday to Saturday, 10 a.m to 10 p.m.
Bibliothèque Nationale, 58, rue de Richelieu, Second Arrondissement; 53.79.59.59;
http://www.bnf.fr. Reading room open Tuesday to Saturday 10 a.m. to 8 p.m., and Sunday 9 a.m to 12:30 p.m. and 1:30 to 7 p.m.
Bibliothèque François Mitterrand, Quai François-Mauriac, 13th Arrondissement; 53.79.59.59. Exhibitions and reading rooms open Tuesday to Friday 10 a.m. to 7 p.m., and Saturday 1 to 7 p.m. Entry: 3.30 euros.