Letters to future generations :  original texts / 
selected and compiled by Federico Mayor, in collaboration with Roger-Paul Droit. 
 - Paris :  United Nations Educational, Science and Cultural Organization - UNESCO,  1999 
 - 171 p. ;  21 cm. 
 - Cultures of peace .
<br/><br/><label>ISBN: </label>9231036416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Letters.<br/>Cartas
<br/><br/><label>LC Class. No.: </label>PN 6131  / L651 1999 
<br/><br/><label>Dewey Class. No.: </label>808.86/049