Trotsky, Leon,  1879-1940. <br/><br/>
Correspondencia (1933-1938) / 
Lev Davidovich Trotsky, Natalia Ivanovna Sedova-Trotsky. 
 - México, D.F. :  Editorial Nueva Imagen,  1981. 
 - 132 p., [4 leaves of plates] :  ports. ;  20 cm. 
<br/><br/> Originally written in Russian; translated from Russian to French with introd. and notes by Jean van Heijenoort.  Translated from French to Spanish by Tununa Mercado with revision from Russian to Spanish by Oscar Barahona and Uxoa Doyhamboure. 
<br/><br/><label>ISBN: </label>968429199X 9789684291997 
<br/><br/><label>LC Class. No.: </label>338 DK 254  / T858c 1981