DÜRER AS A CREATOR[I. DÜRER'S PICTURES][II. DÜRER'S PORTRAITS][III. DÜRER'S DRAWINGS][IV. DÜRER'S METAL ENGRAVINGS][V. DÜRER'S WOODCUTS][VI. DÜRER'S INFLUENCES AND VERSES][PART IV]DÜRER'S IDEAS[I. THE IDEA OF A CANON OF PROPORTION FOR THE HUMAN FIGURE]