Links

• Easy Putnam Problems
• Putnam Training Problems - 2009 (some problems discussed during current or past training sessions - Last updated: 11/17/09)
• Herbert S. Wilf: Generatingfunctionology
• Previous Selection and Training Tests
• Announcements about the Putnam Competition for undergraduates
• NU Problem Solving Group

Collections of Problems

• William Lowell Putnam Mathematics Competition Directory (includes solutions from years 1995 and later.)
• Rusin's Putnam Exams
• Newman Problems
• Thousands of problems from IMOs, Putnam and other

Bibliography

• Paul Zeitz: The Art and Craft of Problem Solving, John Wiley & Sons, Inc., 1999. (Mathematical problem solving for college-level novices.)
• Arthur Engel: Problem-Solving Strategies, Springer, 1998. (A unique collection of competition problems from over twenty major national and international mathematical competitions for high school students.)
• Further bibliography on Math problem solving

Email: mlerma at math dot northwestern dot edu