
Left: neoclassical building, 1877, by Henri Labrouste.
Right: 18th century building by Robert de Cotte - the oldest building in the Library.
Right: 18th century building by Robert de Cotte - the oldest building in the Library.

Top left: letter from Benjamin Franklin to Beaumarchais, 15 March 1779. Beaumarchais, a playwriter, sought to benefit from weapons trading with the USA.
Botom…
Botom…

Left: Beaumarchais, Story of the trip of Beaumarchais in Germany, 1774, Beaumarchais negotiated that all books claiming that new king Louis XVI was infertile…