261. Women's International Nongovernmental Organizations, 1950-2013 Bookmark Format Series - completed
268. World Handbook of Aging and Social Security Indicators (1950-1980) Bookmark Format Series - completed
270. World Health Organization. Regional Office for Europe. Data. Bookmark Format Data archive or collection
274. World Military Expenditures and Arms Transfers [Trade] Series (1961-1993) Bookmark Format Series - completed