2000 BC Darwinian Society ST p046
1999 BC Darwinian Society ST p061
1998 BC Darwinian Society ST p051
1995 BC Darwinian Society ST p085
1994 BC Darwinian Society ST p045
1993 BC Darwinian Society ST p043
1992 BC Darwinian Society ST p035
1991 BC Darwinian Society ST p029
1990 BC Darwinian Society ST p033
1989 BC Darwinian Society ST p031
1988 BC Darwinian Society ST p041
1987 BC Darwinian Society ST p029