TRIER, Hann & R. CHAR. 'Über die Natur'. (Köln, Galerie Der Spiegel, 1956). W. 2 cold. etchings by Trier. Fol. Or. lithogr. wrps. From the series 'Geh durch den Spiegel' (nr. 5). Printed in 100 copies. only. -- LEFEBRE GALLERY, NEW YORK, exhibition catalogues: Corneille (2x), Alechinsky (3x). N.Y., 1963-68. 5 vols. Sm-4°. Or. lithogr. wrps. -- BIBLIOTHEQUE DE COBRA. 1ère série: Les Artistes Libres. Réd.: A. Jorn. Première serie, fasc. 1, 6, 7. Copenhague, Ed. E. Munksgaard, 1950. 3 vols. Sm-8°. Or. lithogr. wrps. (Constant, Corneille, Alechinsky). -- J. de JONG. Accidental paintings. Galerie Westing, Odense. 1964. 4°. Or. lithogr. wrps. -- And 7 o., of which 3 or. lithogr. wrps of J. Miró's Lithographs & lithographe, (1972-92). (vol. 2, 3, 4). (15).