Ortiz Guerra, Miguel Angel <br/><br/>
Ensayos bibliotecológicos, 1978-1986 
Miguel Angel Ortíz Guerra. 
 - Santurce, P.R.  Jay-Ce  c1987. 
 - 53 p.  ill., facsim.  21 cm. 
<br/><br/> In Spanish ; 2 essays in English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science