Author
United States. Congress. Senate. Committee on Foreign Relations
United States. President (1993-2001 : Clinton)
14
United States. President (2001-2009 : Bush)
7
Ireland
3
United States. President (2009-2017 : Obama)
3
Barbados
2
Thailand. Nūai Bor̨̄ihān læ Čhatkān Thun dān Kānphœm̄ Khwāmsāmāt nai Kānkhæn̄gkhan khon̨̄g Prathēt
2
United States. President (1981-1989 : Reagan)
2
Australia
1
Bulgaria
1
China
1
Denmark
1
Great Britain
1
Iceland
1
Indonesia
1
Italy
1
Slovenia
1
South Africa
1
Sri Lanka
1
Tunisia
1
United States
1
United States. President (1989-1993 : Bush)
1