by the Council in 1969. 4 " ( b) Letter dated 23 January 1973 from the Rep­ resentatives of Guinea, Kenya and the Sudap addressed to the President of the Security Council (S/10866);11 ·'(c) Letter dated 26 January 1973 from the Acting Permanent Representative of Yu­ goslavia to the United Nations addressed to the President of the Security Council (S/ 10869).11" 11 See Official Records of the Security Council, Twenty­ eighth Year, Supplement for January, February and March 1973. 
**Analysis**
The text appears to be a collection of letters related to the United Nations Security Council, specifically from 1969 and 1973. The letters seem to be discussing international relations, diplomacy, and possibly a specific issue or event. Given the context, it is unlikely that the text is related to economic development, health, education, employment, humanitarian aid, culture, or science and technology.

**Category**
International trade, Humanitarian aid and relief