Visitors book. 

 - Directorate ephemera ;  1 .
 - Directorate ephemera (DIRC/1029) ;  1 .
<br/><br/> DIRC/1029/1.  Hardbound book containing names and signatures of visitors to the Institute. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visiting dignitaries<br/>Visiting experts