Palais du Luxembourg plan 1904 - Hustin 1904 p86 - Google Books, Arthur Hustin
Plan of the palais du luxembourg in paris, as it appeared in 1904. Date: 1615–1626 (original design by Salomon de Brosse)1799–1805 (modifications by Jean Chalgrin)1836 (modifications by Alphonse de Gisors)1904 (publication of this plan).