By Encyclopaedia Britannica
By collectif
By Calhoun, David R (Associate Editor).
By Lawrence K. Lustig
By william gould
By Unknown
By Alan Bowness
By Xavier De Salas
By michael-kitson
By Calhoun, David.
By William Gaunt
By Bowness, Alan
By Gibson, Robin & Keith Roberts
By Roger Fry, Anthony Blunt