 St. Louis City Hall, still in use, was designed by Harvey Ellis in the Renaissance Revival style.City Hall also is reminiscent of the famed Hôtel de Ville, Paris, France.Other significant civic buildings from the late 19th century and early 20th century include the U.S. Customhouse and Post Office by Alfred B. Mullett (1873) and the stately St. Louis Public Library by Cass Gilbert (1912).