Perez de Cuellar, Javier
Report of the Secretary General on the work of the organization 1989
United Nation, 1989
 Buku Teks
Boutros-Ghali, Boutros, 1922-
The 50th anniversary annual report on the work of the organization 1996
United Nations, 1996
 Buku Teks
Report to the United Nations 1950-1951
by United Nations
UNESCO, 1951
 Buku Teks
Boutros-Ghali, Boutros, 1922-
Confronting new challenges: annual report on the work of the organization from the forty-ninth to the fiftieth session of the general assembly
United Nations, 1995
 Buku Teks
Report of the seminar-cum-study tour on railway track maintenance, China 16-25 September 1986
by Economic and Socila Commission for Asia and the Pacific United Nations
United Nations, 1986
 Buku Teks