Physics /repositories/4/archival_objects/1442664 2 boxes 1972-1987 1972-1983 /repositories/4/archival_objects/1444565 2 folders 1972-1983 17 8-9 1984-1987 /repositories/4/archival_objects/1444566 1 folder 1984-1987 18 1 Colonization of Space /repositories/4/archival_objects/1444567 1 folder 1973-1979 18 2 Cyclotron Use /repositories/4/archival_objects/1444568 1 folder 1975-1982 18 3