The eleventh meeting was held September 26-27, 2003, at Northern Kentucky University. The reading was the Introduction and first Chapter of George Polya's Combinatorial Enumeration of Groups, Graphs and Chemical Compounds (Springer, 1987), the English version with R. C. Read of a translation of his influential 1937 paper Kombinatorische Anzahlbestimmungen fur Grüppen, Graphen und chemische Verbindungen (Acta Math., 68, 145-254) in which the eponymous Enumeration Theorem first appears. This is the first of two meetings devoted to Polya. For deatils see Danny Otero's report of the meeting.