Classes, circa 1960s archives.northwestu.edu/handle/nu/62972 2026-04-22T18:02:12Z 2026-04-22T18:02:12Z Classes, circa 1960s, photo 11 archives.northwestu.edu/handle/nu/28713 2023-10-20T21:41:27Z 1960-01-01T00:00:00Z Classes, circa 1960s, photo 11 Hand-Operated Calculators 1960-01-01T00:00:00Z Classes, circa 1960s, photo 10 archives.northwestu.edu/handle/nu/28712 2023-10-20T21:41:27Z 1960-01-01T00:00:00Z Classes, circa 1960s, photo 10 Outside Class 1960-01-01T00:00:00Z Classes, circa 1960s, photo 2 archives.northwestu.edu/handle/nu/28716 2023-10-20T21:41:27Z 1960-01-01T00:00:00Z Classes, circa 1960s, photo 2 Students in classroom 1960-01-01T00:00:00Z Classes, circa 1960s, photo 12 archives.northwestu.edu/handle/nu/28714 2023-10-20T21:41:27Z 1960-01-01T00:00:00Z Classes, circa 1960s, photo 12 Students in classroom 1960-01-01T00:00:00Z