Books:
Paul Hoffman: The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical Truth, Hyperion, 1998;
Bruce Schechter: My Brain is Open: The Mathematical Journeys of Paul Erdős, Simon & Schuster, 1998;
A tribute to Paul Erdős, (eds A. Baker, B. Bollobás, A. Hajnal), Cambridge University Press, 1990;
Combinatorics, Paul Erdős is Eighty, 1-2, (eds. D. Miklos, V. T. Sos, T. Szonyi), Bolyai Society Mathematical Studies, 1993, 1996;
The Mathematics of Paul Erdős, 1-2, (eds R. L. Graham J. Nesetril), Spinger, 1997;
Fan Chung, Ron Graham: Erdős on Graphs, His Legacy on Unsolved Problems, A K Peters, 1998.
Selected works:
The Art of Counting (Selected Writings) (ed.: J. Spencer), M.I.T. Press, 1973.
~, J. Spencer: Probabilistic methods in combinatorics, Akadémiai Kiadó, Budapest, Academic Press, New York, 1974;
~, R. L. Graham: Old and New Problems and Results in Combinatorial Number Theory, l'Enseigment Math., Monograph 28, 1980;
~, A. Hajnal, A. Máté, R. Rado: Combinatorial set theory: Partition relations for cardinals, Akadémiai Kiadó, Budapest, North-Holland, Amsterdam, 1984;
~, P. M. Gruber, J. Hammer: Lattice Points, Pitman Monographs and Surveys in Pure and Applied Mathematics, 39, Longman Sci. and Tech., John Wiley and Sons, 1989;
~, J. Surányi : Topics in the theory of numbers, Translated from the second Hungarian edition by Barry Guiduli. Springer-Verlag, New York, 2003.
Biography:
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Erdos.html
//www.biography.ms/Paul_Erd%F6s.html
Article:
András Hajnal and Vera T. Sós, Paul Erdos is seventy,
J. Graph Theory 7 (1983) 391-393;
Combinatorics, Paul Erdös is Eighty (eds.: D. Miklós, V. T. Sós, T. Szönyi), Bolyai Society Mathematical Studies, Budapest, vol. 1.: 1993., vol. 2.: 1996;
L. Babai: In and Out of Hungary: Paul Erd\H os, His Friends and Times (ps), in: [1], vol.~ 2., pp. 7--95;
László Babai, Carl Pomerance, and Péter Vértesi, The Mathematics of Paul Erdős, Notices Amer. Math. Soc. 45 (1998) 19-31;
László Babai and Joel Spencer, Paul Erdős (1913-1996),
Notices Amer. Math. Soc. 45 (1998) 64-73;
Links:
The Erdős Number Project
In Memoriam Paul Erdős
Paul Erdős
Obituary (by András Sárközy); Acta Arithmetica 81 (1997) 299-317;
Erdős Pál
József Pelikán: Paul Erdős (1913-1996) Mathematics Competitions 9 (1996) 15-20
Graph Theory Publications of Paul Erdős
Paul Erdös;
Recollections of Paul Erdös by Richard Guy (ps)