Engineering and Applied Science /repositories/4/archival_objects/1432837 1 box 1968-1975 School of (SEAS) /repositories/4/archival_objects/1434305 1 folder 1972-1975 29 2 Aerospace and Mechanical Sciences /repositories/4/archival_objects/1434306 2 folders 1969-1975 29 3-4 de Wiest, Roger /repositories/4/archival_objects/1434307 1 folder 1968-1971 29 5