3rd Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0223 1988 Oct 14-15
4th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0224 1989 Oct 13-14
6th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0225 1991 Oct 11-12
8th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0226 1993 Oct 8-9
9th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0227 1994 Oct 7-8
10th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0228 1995 Oct 6-9
11th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0229 1996 Oct 18-19
13th Annual William S. Johnson Symposium in Organic Chemistry [videorecording] V0230 1998 Oct 16-17