Panel 13 Information / Edition Panel, 1969. 4to folded pink sheet as issued. 4 pages. Illustrated. Well preserved copy. Henning Christiansen, Joseph Beuys, Stig Brøgger, Poul Gernes, Peter Louis-Jensen, Herman de Vries et al. First printing. Scarce!
Cambridge University Press, paperback, 2000. XV, 390 pages. A bit dog eared and light edgewear, but no markings and overall a very good copy. 1. ed. From the Music in the Twentieth Century series.
TACET The Sound in The Arts Series # 4 published by Les Presses Du Reel, 2016. 8vo in stiff wraps as issued. 560 p, ills in bw. French/English text. New copy.