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All Documents 118 items

1. Letter from Lewis Hackett to Fred L. Soper

Date:: 9 March 1958

2. Letter from Fred L. Soper to Lewis Hackett

Date:: December 1939

3. Letter from Lewis Hackett to Fred L. Soper

Date:: 12 October 1955

4. Letter from Lewis Hackett to Fred L. Soper

Date:: 12 January 1959

5. Letter from Fred L. Soper to Leonel Tavares Miranda de Albuquerque

Date:: 24 August 1967

6. Letter from Fred L. Soper to Lewis Hackett

Date:: 18 October 1955

7. Letter from Fred L. Soper to Paulo C. A. Antunes

Date:: 22 August 1967

8. Letter from Fred L. Soper to Paulo C. A. Antunes

Date:: 26 September 1968

9. Letter from Fred L. Soper to Lewis Hackett

Date:: 20 January 1959

10. Introduction and instructions for inspectors

Date:: 1943