1. Archives de l’Institut Pasteur, Paris (AIP).
2. Archives de l’Institut Pasteur de Kindia, Guinea (AIP-Kindia).
3. Archives Nationales de Guinée, Conakry, Guinea (ANG).
4. Robert Mearns Yerkes Papers, Sterling Memorial Library, Yale University, New Haven, CT (RMYP).
5. The National Archives. Public Record Office, Kew, Richmond, Medical Research Council (PRO).