The Sixtieth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2000)

The Sixty-First William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2001)

The Sixty-Second William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2002)

The Sixty-Third William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2003)

The Sixty-Fourth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2004)

The Sixty-Fifth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2005)

The Sixty-Sixth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2006)

The Sixty-Seventh William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2007)

The Sixty-Eighth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2008)

The Sixty-Ninth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2009)

The Seventieth William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson (Am. Math. Mon., 2010)

The Seventy-First William Lowell Putnam Mathematical Competition. - Leonard F. Klosinski; Gerald L. Alexanderson; Loren C. Larson; Mark Krusemeyer (Am. Math. Mon., 2011)