Sign systems for libraries  solving the wayfinding problem 
compiled and edited by Dorothy Pollet and Peter C. Haskell 
 - New York  R.R. Bowker  1979 
 - xii, 271 p. : ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>0835211495 
<br/><br/><label>LCCN: </label>79-011138 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library signs