 His purpose was to give a historical account of the Andes from the earliest human beings to the Incas and the Spanish conquest; it was also meant as a call of attention towards the deep problems caused by Spanish government in the region.The manuscript was never published and its location for the next several centuries was unknown.The scholar Richard Pietschmann rediscovered it at the Royal Danish Library in Copenhagen in 1908; Paul Rivet published a facsimile edition in Paris in 1936.