La Plata, the Argentine Confederation, and Paraguay; Being a Narrative of the Exploration of the Tributaries of the River La Plata and Adjacent Countries During the Years 1853, '54, '55, and '56

La Plata, the Argentine Confederation, and Paraguay; Being a Narrative of the Exploration of the Tributaries of the River La Plata and Adjacent Countries During the Years 1853, '54, '55, and '56