ARP The Siege of the Air. Poems 1915-1945. Collection le Quadrangle, published by Vrille, 1946. Foreword by Alain Gheerbrant, with 8 full-page duo-drawings by Jean Arp and Sophie Taueuber-Arp. First edition. One of 70 copies on pur chiffon de Bellegarde containing the author's engraving, monogrammed on the verso, no. XXVIII.

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