This document lists important artworks created between 1849 and 1913, spanning Realism, Impressionism, Post-Impressionism, and early Modernism. It includes paintings by Courbet, Manet, Monet, Degas, Cassatt, Whistler, as well as sculptures by Rodin and architectural works by Richardson and Sullivan. Key art movements represented are Realism, Impressionism, Post-Impressionism, Fauvism, Cubism, and early Abstract art.