1. G.T. Seaborg, R.A. James, and A. Ghiorso Paper 22.2, p.1554–1571 in G.T. Seaborg, J.J. Katz and W.M. Manning The Transuranium Elements Book 2 National Nuclear Energy Series Div. IV Vol.14B McGraw Hill Book Co. Inc. New York, Toronto, London 1949
2. Heavy Isotopes by Bombardment of Pu2 3 9;GT Seaborg,1944
3. L.B. Werner and I. Perlmam ‘First Isolation and Properties of Curium’ UCRL-156 (AECD-2729) (July 28, 1948) UCRL-156(Rev)(July 28, 1948)
4. L.B. Werner and I. Perlman ‘First Isolation of Curium’ UCRL-156 (2nd Rev)(AECD-3155) (Feb.9, 1951)
5. L. B. Werner and I. Perlman Paper 22.5, p. 1586–1594 in G.T. Seaborg, J.J. Katz and W.M. Manning, 1.c. Reference (1)