East Wing of the National Gallery Washington, D. C. I. M. Pei, architect 1978 University Art Museum University of California, Berkeley Mario J. Ciampi and others 1968-1971 Retreat House - unbuilt Northern Europe Mitchell/Giurgola, Architects 1978 "After Black Forest" - sculpture Morris Arboretum - Philadelphia and 34th and Walnut Streets on the Penn Campus Robin Fredenthal 1977 Lockheed F-117 Nighthawk Lockheed Martin 1970s - 1980s P-197 Manfred Mohr 1977 P-231a Manfred Mohr 1978 The Spomenik at Kolašin - Memorial And Cultural Center Kolašin, Montenegro Marko Mušič 1975
"After Black Forest" - sculptureMorris Arboretum - Philadelphia and 34th and Walnut Streets on the Penn Campus
