Decisions and diplomacy : essay in twentieth--century International history / edited by Dick Richardson and Glyn Stone
Routledge, 1995
 Buku Teks SO
Woodham, Jonatham M.
Twentieth-Century design
Oxford University Press, 1997
 Buku Teks SO
Wertheim, W.F. (Willem Frederik)
De mensheid op avontuur / W. F. Wertheim en Hetty Wertheim-Gijse Weenink
Wereldbibliotheek, 1953
 Buku Teks
Macrae, Norman
The 2025 report a concise history of the future 1975-2025 / by Norman Macrae
Macmillan, 1984
 Buku Teks SO
African Diplomacy: studies in the determinants of foreign policy / edited by Vernon McKay
Frederick A. Praeger, Publisher, 1966
 Buku Teks SO