Scharf, A. (1975). The roots of modern art: Charles Baudelaire, vanguard of modernism ; Optimism and pessimism in late nineteenth-century literature and art. Open University Press.

Scharf, Aaron. The Roots of Modern Art: Charles Baudelaire, Vanguard of Modernism ; Optimism and Pessimism in Late Nineteenth-century Literature and Art. Milton Keynes: Open University Press, 1975.

Scharf, Aaron. The Roots of Modern Art: Charles Baudelaire, Vanguard of Modernism ; Optimism and Pessimism in Late Nineteenth-century Literature and Art. Open University Press, 1975.