From AoPSWiki

...	to	1983 AIME Problems/Problem 8
1983 AIME Problems/Problem 9	to	1989 AJHSME Problems/Problem 22
1989 AJHSME Problems/Problem 23	to	1995 AIME Problems/Problem 2
1995 AIME Problems/Problem 3	to	1999 AHSME Answer Key
1999 AHSME Problems	to	2001 APMO
2001 CMO	to	2003 AMC 10B Problems/Problem 5
2003 AMC 10B Problems/Problem 6	to	2005 AMC 10A Problems/Problem 23
2005 AMC 10A Problems/Problem 24	to	2006 AMC 10B Problems
2006 AMC 10B Problems/Problem 1	to	2007 AMC 10A Problems/Problem 5
2007 AMC 10A Problems/Problem 6	to	2008 AMC 12B Problems/Problem 18
2008 AMC 12B Problems/Problem 19	to	2010 AMC 10B Problems/Problem 5
2010 AMC 10B Problems/Problem 6	to	AMC 8
AMC 8 Problems and Solutions	to	Central Angle
Central angle	to	Ecology
Economics scholarships	to	Implicit function
Implicitly defined function	to	Mathematical Olympiad in Poland
Mathematical Olympiads for Elementary and Middle Schools	to	New York City ARML
New York MathCounts	to	Reader's Digest National Word Power Challenge
Real	to	Trustee Scholarship
Tuple	to	Zorn's Lemma