Art in Theory 1815-1900: An Anthology of Changing Ideas - Charles Harrison, Paul Wood, Jason Gaiger - Google Books

http://books.google.de/books?id=8aHtX9Hkxo0C&pg=PA1016&lpg=PA1016&dq=%22Gustave+Kahn%22&source=bl&ots=NJCVKD6fNE&sig=Levd7JzMa2r

Art in Theory 1815-1900 provides the most wide-ranging and comprehensive collection of documents ever assembled on nineteenth-century theories of art.