Gaskell, Philip. <br/><br/>
A new introduction to bibliography / 
by Philip Gaskell. 
 - Oxford :  Clarendon Press,  1972. 
 - xxii, 438 p. :  ill., facsims. ;  24 cm. 
<br/><br/>Bibliography : p. 392-413. 
<br/><br/><label>ISBN: </label>0198181507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Printing--History.<br/>Bibliography--Methodology.<br/>Books--Bibliography.