1981; 1987; 1990-1991
Faxed letter from Osaka Bioscience Institute to Sydney Brenner, 5/10/1990
Faxed letter from Sydney Brenner to Itaru Watanabe, 4/9/1990
Letter from Itaru Watanabe to Sydney Brenner, 8/4/1987
Letter from Sydney Brenner to Itaru Watanabe #1, 16/06/1987
Letter from Sydney Brenner to Itaru Watanabe #2, 27/04/1987
Letter from Sydney Brenner to Itaru Watanabe #3, 16/12/1981
Letter from Sydney Brenner to Yasuyoshi Watanbe #1, 5/10/1990
Letter from Sydney Brenner to Yasuyoshi Watanbe #2, 4/10/1990
Letter from Sydney Brenner to Yasuyoshi Watanbe #3, 26/03/1991
Letter from Yasuyoshi Watanabe to Sydney Brenner #1, 27/09/1990
Letter from Yasuyoshi Watanabe to Sydney Brenner #2, 2/3/1991
Yakult International Symposium Brochure, 1987-1992