Langwell, W. H. <br/><br/>
The conservation of books and documents / 
by W. H. Langwell 
 - London :  Sir ISAAC Pitman  1974 
 - xxii, 114 p. ;  22 cm. 
<br/><br/>Bibliography : p. 104 
<br/><br/><label>ISBN: </label> USD 25.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Books--Conservation and restoration<br/>Manuscripts--Conservation and restoration<br/>Paper--Preservation
<br/><br/><label>Dewey Class. No.: </label>025.8