In preparation.

WILKIE. By Lord Ronald Sutherland-Gower, M.A., F.S.A., Trustee of the National Portrait Gallery.

TINTORETTO. By J. B. Stoughton Holborn, M.A. of Merton College, Oxford.

GIOTTO. By F. Mason Perkins.

EL GRECO. By Manuel B. Cossio, Litt.D., Ph.D., Director of the Musée Pédagogique, Madrid.

DÜRER. By Hans W. Singer, M.A., Ph.D., Assistant Director of the Royal Print Room, Dresden.

PAOLO VERONESE. By Roger E. Fry.

GAUDENZIO FERRARI. By Ethel Halsey.

Others to follow.