Giedion-Welcker, Carola and Edward Trier. JEAN ARP. 2 vols. Volume 1: 122 pp., with 140 b&w illustrations. Small folio, cloth. New York, Abrams, 1957. Volume 2: JEAN ARP Sculpture: His Last Ten Years. Text by Edward Trier. 147 pp. with 262 b&w plates and illustrations. Folio, cloth. New York, Abrams, 1968.
Together, these are the catalogue raisonné of Arp's sculpture. Rare. Lucas p. 121, Freitag 248, and Spalek 1594, 1602.