Women 275,586 World War, 1939-1945 252,749 World War, 1914-1918 121,243 Working class 64,871 World politics 55,476 Wages 45,096 War 44,985 Water-supply 44,115 Water 42,217 Women authors 38,208 Women's rights 27,397 Water resources development 27,328 Work 21,220 Writing 20,871 Women in literature 16,646 Waltzes 16,468 Water quality 16,383 Women and literature 15,023 World history 13,867 Wine and wine making 11,705 Wildlife conservation 11,648 Wounds and injuries 10,686 Witchcraft 10,401 Wealth 8,324 Wills 8,283 Wireless communication systems 8,226 Water quality management 8,123 Wit and humor 8,027 Women artists 7,976 Wars 7,153 Workers' compensation 7,148 Weather 7,065 Women in development 6,682 Weights and measures 6,537 Word formation 6,222 Women in art 6,082 Wool industry 6,008 Web sites 5,983 World maps 5,690 Wood 5,577 Wilderness areas 5,534 Welfare state 5,512 Widows 5,444 Work environment 5,387 War (International law) 5,341 War and society 5,245 Waka 5,039 Western influences 5,031 War on Terrorism, 2001-2009 4,985 Wheat 4,947 Wind quintets (Bassoon, clarinet, flute, horn, oboe) 4,916 Weapons 4,899 Women's studies 4,679 Water rights 4,535 Web site development 4,422 Wetlands 4,407 Women in Islam 4,363 Women detectives 4,285 World music 4,207 Will 4,099 Waste disposal 4,042 Women journalists 3,984 Weapons systems 3,980 Weddings 3,944 Welfare recipients 3,938 War and literature 3,931 War crime trials 3,875 Waterways 3,817 Warships 3,803 Water conservation 3,739 Women immigrants 3,717 War work 3,710 Worship 3,699 Walking 3,698 Whaling 3,653 Watercolor painting 3,651 Wildlife management 3,627 Watershed management 3,580 Wood-engraving 3,552 Work and family 3,490 Wildlife refuges 3,466 Water-power 3,439 Women in politics 3,423 Wives 3,373 Winds 3,372 World Wide Web 3,341 Witnesses 3,275 Warfare 3,227 Women prisoners 3,218 Women in the Bible 3,182 Women in Christianity 3,121 War crimes 3,083 Wood-carving 3,070 Wounds and Injuries 3,039 Women and religion 3,012 Wholesale trade 3,009 Western stories 2,995 Waste in government spending 2,974 Women college students 2,925 War criminals 2,861