1.
William Lowell Putnam Mathematical Competition Problems & Solutions 1965-1984
by Alexanderson, Gerald, Klosi...
ISBN: 9780883854631
List Price: $29.99
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William Lowell Putnam Mathematical Competition: Problems and Solutions, 1965-1984
by Alexanderson, G. L., Klosin...
ISBN: 9780883854419
List Price: $28.00
3.
The William Lowell Putnam Mathematical Competition: Problems and Solutions 1965-1984 (Proble...
by Gerald L. Alexanderson, Leo...
ISBN: 9781470449681
List Price: $36.00