Biggs, Norman L. <br/><br/>
Graph theory 1736-1936 / 
Norman L. Biggs, E. Keith Lloyd, Robin J. Wilson 
 - Oxford :  Clarendon Press,  1976 
 - 239 p., 1 leaf of plates :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 223-234. 
<br/><br/><label>ISBN: </label>0198539010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory--History--Sources