1 Cornell University (1982)
2 American Museum of Natural History (1983)
3 University of Massachusetts, Amherst (1984)
4 State University of New York, Albany (1985)
5 Cornell University (1986)
6 Trent University (1987)
7 University of Massachusetts, Amherst (1988)
8 Yale University (1989)
9 State University of New York, Binghamton (1990)
10 American Museum of Natural History (1991)
11 Colgate University (1992)
12 Carnegie Museum of Natural History (1993)
13 Ithaca College (1994)
14 Rhode Island School of Design (1995)
15 University of Pennsylvania (1996)
16 University of Maine (1997)
17 State University of New York, Binghamton (1998)
18 University of Massachusetts, Amherst (1999)
19 Dartmouth College (2000)
20 University of Western Ontario (2001)
21 Carnegie Museum of Natural History (2002)
22 Harvard University (2003)
23 Yale University (2004)