KOSUTH, J. Joseph Kosuth: Investigationen über Kunst & Problemkreise seit 1965. (1973). 5 vols. 4°. Owrps. In slipcase. (Crack/small tear in spine slipcase). -- Id. Letters from Wittgenstein, abridged in Ghent. 1992. W. tipped in photographs. Owrps. Limited to 1000 copies. -- Id. The (Ethical) Space of Cabinets 7 & 8. 1994. Narrow-8°. Owrps. -- (7).