Ramos Perez, Demetrio. <br/><br/>
El Tratado de limites de 1750 y la expedicion de Iturriaga al Orinoco / 
Demetrio Ramos Perez ; prologo del Dr. Amando Melon y Ruiz de Gordejuela. 
 - Madrid :  Consejo Superior de Investigaciones Cientificas, Instituto Juan Sebastian Elcano,  1946. 
 - iv, 537 p., [5] leaves of plates :  ill. ;  25 cm. 
<br/><br/> Originally presented as the author's thesis, Madrid, 1944.  Includes indexes. 
<br/><br/>Bibliography: p. [513]-525. 
<br/><br/><label>LCCN: </label>80468379 
<br/><br/><label>Subjects--Personal Names: </label><br/>Iturriaga, Jose de.
<br/><br/><label>Subjects--Corporate Names: </label><br/>Portugal. 1750 Jan. 13.  Spain,  Treaties, etc. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Orinoco River (Venezuela And Colombia--Discovery And Exploration.<br/>Orinoco River Valley (Venezuela And Colombia--Discovery And Exploration.
<br/><br/><label>LC Class. No.: </label>F2331.O7  / R35 1946 
<br/><br/><label>Dewey Class. No.: </label>918.7/043