Women 277,027 World War, 1939-1945 253,183 World War, 1914-1918 121,343 Working class 64,926 World politics 56,857 Wages 46,622 War 45,216 Water-supply 44,162 Water 42,248 Women authors 38,344 Women's rights 27,448 Water resources development 27,350 Work 21,229 Writing 20,906 Women in literature 16,717 Waltzes 16,487 Water quality 16,387 Women and literature 15,043 World history 13,886 Wine and wine making 11,724 Wildlife conservation 11,659 Wounds and injuries 10,724 Witchcraft 10,413 Wealth 9,505 Wills 8,302 Wireless communication systems 8,260 Water quality management 8,126 Wit and humor 8,053 Women artists 8,014 Weather 7,671 Wars 7,277 Workers' compensation 7,152 Women in development 6,704 Weights and measures 6,540 Word formation 6,227 Women in art 6,092 Wool industry 6,011 Web sites 5,983 World maps 5,697 Wood 5,587 Wilderness areas 5,536 Welfare state 5,525 Work environment 5,478 Widows 5,452 War (International law) 5,360 War and society 5,256 Waka 5,046 Western influences 5,041 War on Terrorism, 2001-2009 5,004 Wheat 4,949 Wind quintets (Bassoon, clarinet, flute, horn, oboe) 4,929 Weapons 4,906 Women's studies 4,692 Water rights 4,540 Web site development 4,419 Wetlands 4,411 Women in Islam 4,373 Women detectives 4,307 World music 4,214 Will 4,096 Waste disposal 4,043 Women journalists 3,999 Weddings 3,991 Weapons systems 3,983 Welfare recipients 3,942 War and literature 3,937 War crime trials 3,884 Walking 3,834 Waterways 3,817 Warships 3,805 Water conservation 3,739 Women immigrants 3,728 War work 3,711 Worship 3,698 Watercolor painting 3,656 Whaling 3,655 Wildlife management 3,628 Watershed management 3,579 Wood-engraving 3,558 Work and family 3,496 Wildlife refuges 3,467 Water-power 3,444 Women in politics 3,417 Wives 3,379 Winds 3,373 World Wide Web 3,342 Witnesses 3,287 Women prisoners 3,230 Warfare 3,215 Women in the Bible 3,186 Women in Christianity 3,128 War crimes 3,083 Wood-carving 3,075 Wounds and Injuries 3,044 Women and religion 3,016 Wholesale trade 3,009 Western stories 2,995 Waste in government spending 2,974 Women college students 2,929 War criminals 2,858