By da Vinci, Leonardo
By Jalal Toufic
By Ashton, Dore
By Collins, George R. Preface by.
By J. Castellar-Gassol
By William Hauptman
By Bjork, Christina, Anderson, Lena, Anderson, Lena
By Chadwick, Whitney
By Andrew Robinson
By Swinglehurst, Edmund, Mackintosh, Charles Rennie
By Venezia, Mike
By Benke, Britta
By Edwards, Paul
By Andersson, Per J, Holmwood, Anna
By Ferris, Toby
By Keith, Katherine
By McKie, David
By Schiffer C
By Allette Wilkins, Verna
By Leonhard Emmerling
By Vasari, Giorgio
By Vliet, Rolina van
By Grimme, Karin H.
By Kennedy, Ian G.
By Champion, Matthew
By Forden, Sara Gay
By Moore, Roger
By Neret, Gilles