Blackstock, L. S. <br/><br/>
Ruy Lopez, Breyer system / 
L. S. Blackstock. 
 - London :  Batsford,  c1976. 
 - viii, 102 p. :  ill. ;  22 cm. 
 - Specialist chess openings Batsford chess books .
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0713431245 :  £3.95 
<br/><br/><label>LCCN: </label>76359303  
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chess--Openings.
<br/><br/><label>LC Class. No.: </label>GV1450.2.R8  / B52 
<br/><br/><label>Dewey Class. No.: </label>794.1