Orpen, Sir William. The outline of art : with over 300 illustrations ow which 24 are in colour / Sir William Orpen, - New York ; London : The Knickerbocker press, G.P. Putnam Sons, 1923.-1924. - volumes : ill. ; 26 cm. - 7(09)(NLA) . Volume 1 (1923, 231 p.) Volume 2 (1924, 231 p.) Subjects--Topical Terms: Art history Universal Decimal Class. No.: 7(09)(NLA)