Graph theory 1736-1936 / Norman L. Biggs, E. Keith Lloyd, Robin J. Wilson. Biggs, Norman. Lloyd, E. Keith, joint author. Wilson, Robin J., joint author. Graph theory History Sources. QA166 .B54 515 BIG Includes indexes. Bibliography: p. [223]-234. Oxford [Eng.] : Clarendon Press, 1976. 1976. 1976 Text 239 p., [1] leaf of plates : eng