Henty, George Alfred: The Treasure of the Incas. V1. 22 May 2010
 

George Alfred Henty (8 December 1832 – 16 November 1902), was a prolific English novelist and special correspondent. He is best known for his historical adventure stories that were popular in the late 19th century. His works include Out on the Pampas (1871), The Young Buglers (1880), With Clive in India (1884) and Wulf the Saxon (1895).

Excerpt
The mysterious loss of a large portion of the treasure of the Incas has never been completely cleared up. By torturing the natives to whom the secret had been entrusted, the Spaniards made two or three discoveries, but there can be little doubt that these finds were only a small proportion of the total amount of the missing hoards, although for years after their occupation of the country the Spaniards spared no pains and hesitated at no cruelty to bring to light the hidden wealth