1.
J.C. Smuts : correspondence, 1939
2.
3.
J.C. Smuts: correspondence, 1940 ; Gneraal Smuts Eersten Minister Minister van Buitenlandsche Zaken Kaapstad
J. C. Smuts : correspondence, 1941
The impact of the Commonwealth on Churchill's Europe
The impact of the Commonwealth on Churchill's Europe ; El impacto de la Commonwealth en la Europa de Churchill