Gustave Courbet
Clark, Timothy J., Image of the People: Gustave Courbet and the 1848 Revolution, (Berkeley: University of California Press, 1999); (Originally published 1973. Based on his doctoral dissertation along with The Absolute Bourgeois: Artists and Politics in France, 1848-1851), 208pp. . (Considered the definitive treatment of Courbet's politics and painting in 1848, and a foundational text of Marxist art history).