Riferimento PORTER, David. JOURNAL OF A CRUISE MADE TO THE PACIFIC OCEAN, BY THE CAPTAIN DAVID PORTER, IN THE UNITED STATES FRIGATE ESSEX, IN THE YEARS 1812, 1813 AND 1814: CONTAINING DESCRIPTIONS OF THE CAPE DE VERD ISLANDS, COASTS OF BRAZIL, PATAGONIA, CHILI, AND PERU, AND OF THE GALLAPAGOS ISLANDS; ALSO, A FULL ACCOUNT OF THE WASHINGTON GROUPE OF ISLANDS, THE MANNERS, CUSTOMS, AND DRESS OF THE INHABITANTS, ETC. ETC., ILLUSTRATED WITH FOURTEEN ENGRAVINGS. Filadélfia, Estados Unidos: Bradford and Inskeep, 1822.