First Letter Tokyo, April 10, '71

Second Letter Tokyo, 20 April '71

Third Letter The Hague, March, '77

Fourth Letter The Hague, March '79

Fifth Letter The Hague, 15 February, '81

Sixth Letter Jakarta, June 28th, '82

Seventh Letter Jakarta, 28 July '82

Eighth Letter Jakarta, March 2nd, '83

Ninth Letter Jakarta, July 15, '83

Tenth Letter Jakarta,19 July, '83