What has the author Konrad Lorenz written?

Lorenz Eitner has written:

'Introduction to art' -- subject(s): Art, Lending library

'Neoclassicism and Romanticism Volume 2'

'An Outline of 19th Century European Painting' -- subject(s): European Painting, Outlines, syllabi, Modern Painting

'Neoclassicism and romantacism, 1750-1850' -- subject(s): Neoclassicism (Art), Romanticism in art