Grand Palais exhibition in 1909, by Leon Gimpel
Notre Dame in 1909, by Leon Gimpel
The airship Zodiac III, 1909
Quai de la Corse, 1910
Place de la Concorde on November 14, 1918
Mess Nessy Chic compares turn of the century color photos of Paris with contemporary ones. You can also find more photos at Paris Unplugged.