Notebook ... R. S. Young ... 4401 4573 ... 1947
ΝΝ-23 4446, 4447 ΝΝ 2771 SS 9956 ΝΝ 2772 SS 9957 ΝΝ 2773 SS 9958 ΝΝ:1947.0506:8 Section ΝΝ 764 Section ΝΝ 765 ... 6 May 1947