German art of the Twentieth century.
Museum of Modern Art (New York, N.Y.)
New York : Museum of Modern Art in collodoration with the City Art Museum of St Loris, Missouri, 1957.
German Romanticism and English art.
Vaughan, William, 1943-
New Haven [Conn.] : Yale University Press for the Paul Mellon Centre for Studies in British Art, 1979.