El Tratado de límites de 1750 y la expedición de Iturriaga al Orinoco
By: Demetrio Ramos Pérez ; prólogo del Dr. Amando Melón y Ruiz de Gordejuela.
Contributors: Instituto Juan Sebastián Elcano.
Publisher: Consejo Superior de Investigaciones Científicas, Instituto Juan Sebastián Elcano
Published: 1946
Place of publication: Madrid
Language: spa
Number of pages: 537
Subjects: Iturriaga, José de.; Portugal.; Orinoco River (Venezuela and Colombia) -- Discovery and exploration.; Orinoco River Valley (Venezuela and Colombia) -- Discovery and exploration.
Notes: Bibliography: p. [513]-525.
Originally presented as the author's thesis, Madrid, 1944.
Includes indexes.