VI. For Chapter VI. (Portugal to 1400): (1) The Chronicle of Don John I.; (2) Oliveiro Martins' Sons of Don John I.; (3) A. Herculano's History of Portugal; (4) Osbernus de Expugnatione Lixbonensi.
VII. For Chapter VII. (Henry's position in 1415): Azurara's Discovery and Conquest of Guinea.
VIII. For Chapter VIII. (Ceuta): (1) Azurara's Chronicle of the Conquest of Ceuta; (2) Azurara's Discovery of Guinea.
IX. For Chapter IX. (Henry's Settlement at Sagres): (1) Azurara's Guinea; (2) De Barro's Asia; (3) Wauwerman's Henri le Navigateur et l'École Portugaise de Sagres.
X. For Chapter X. (Cape Bojador and the Azores): (1) Azurara's Guinea; (2) O. Martins' Sons of Don John I.
XI. For Chapter XI. (Henry's Political Life, 1433-41): (1) Pina's Chronicle of King Edward; (2) O. Martins' Sons of Don John I.; (3) Azurara's Chronicle of John I.; (4) Pina's Chronicle of Affonso V.
XII. For Chapter XII. (From Boyador to Cape Verde).—(1) Azurara's Guinea; (2) De Barros; (3) Pina's Chronicle of Affonso V.; (4) O. Martins' Sons of Don John I.
For Chapters XIII. to the end.—(1) Azurara's Discovery and Conquest of Guinea; (2) Narratives of Cadamosto and Diego Gomez; (3) Pina's Chronicle of Affonso V.; (4) Prince Henry's Charters.
The three modern lives of Prince Henry which I have chiefly consulted are:
R.H. Major's Henry the Navigator, Wappäus' Heinrich der Seeffahrer, and De Weer's Prinz Heinrich, with O. Martins' Lives of the Infants of the House of Aviz in his Sons of Don John I.