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