| w component ... Wade, Dwyane |
| Wade, Henry Menasco ... Wagner, Martin von |
| Wagner, Otto ... Waihopai River |
| Waikaremoana, Lake ... waka |
| Waka' ... Walcott, Derek |
| Walcott, Jersey Joe ... Walibah ibn al-Hubab |
| Walid ibn Yazid, al- ... Walker, Thomas |
| Walker, Thomas ... Wallack, Henry John |
| Wallack, James William ... Wallot, Paul |
| Wallowa Mountains ... Walter Sansavoir |
| Walter Sisulu University ... wanax |
| Wand, Gunter ... Wang Shichong |
| Wang Shifu ... wapentake |
| Wapielnia ... Warburton, William |
| Warchavchick, Gregori ... warehouse |
| warehouse club ... Warner, Pop |
| Warner, Rex ... Warri |
| Warrick, Ruth ... Wasatch Fault |
| Wasatch Front ... Washington Peace Conference |
| Washington Post, The ... Wasserstein, Wendy |
| Wassilieff, Marie ... water buffalo |
| water burial ... water rat |
| water resource ... Wateree Lake |
| Wateree River ... watertube boiler |
| Waterville ... Wattieza |
| wattle and daub ... wave-cut terrace |
| wave-particle duality ... Wayne, David |
| Wayne, James M. ... Weather Coast |
| weather forecasting ... Webb, Chick |
| Webb, Clement Charles Julian ... Webster, Michael Lewis |
| Webster, Noah ... weever |
| weevil ... Weil, Andrew Thomas |
| Weil, Cynthia ... Weiss, Alta |
| Weiss, Bernhard ... welfare reform |
| welfare state ... Wells, Dicky |
| Wells, E. ... Wembley |
| Wembley Stadium ... Wenxiang |
| wenyan ... Weser River |
| Wesermunde ... West Chester University of Pennsylvania |
| West Coast ... West Nile virus |
| West Nipissing ... West, the |
| West, The ... Western Federation of Miners |
| Western Front ... Western Schism |
| Western sclerophyllous scrub forest ... Westminster School |
| Westminster Theological Seminary ... wet process |
| wet savanna ... Weymouth and Portland |
| Weymouth, Richard Francis ... wheel and axle |
| wheel bug ... whip scorpion |
| whip-tailed ray ... White |
| white adipose cell ... white ligament |
| white light ... White River |
| White River ... White, E.B. |
| White, Edmund ... white-headed buffalo weaver |
| white-headed duck ... Whitehorse Hill |
| Whitehouse, E. O. W. ... Whitney, Adeline Dutton Train |
| Whitney, Anne ... Whorf, Benjamin Lee |
| Whorfian hypothesis ... Widdringtonia |
| wide ... Wiene, Robert |
| Wiener Neustadt ... Wijdenbosch, Jules |
| Wijetunga, Dingiri Banda ... wild sarsaparilla |
| wild spikenard ... Wilfridian |
| Wilgus, William John ... Willdenow, Carl Ludwig |
| Wille, Ulrich ... William M. Jennings Trophy |
| William Of Auvergne ... Williams, Hank |
| Williams, Harrison Arlington, Jr. ... Williamson, David |
| Williamson, Henry ... Wilmington |
| Wilmington, Spencer Compton, earl of, Viscount Pevensey ... Wilson, Jim |
| Wilson, Joseph C. ... Wimsatt, William Kurtz, Jr. |
| Winam Gulf ... wind-bell |
| wind-blown moss ... windstorm |
| windsurfing ... Winneba |
| Winnemucca ... winter flounder |
| Winter Haven ... Wiradjuri |
| wire ... Wishaw |
| wishbone ... withholding tax |
| Witigis ... Wladyslaw II the Exile |
| Wladyslaw III Warnenczyk ... wolf snake |
| wolf spider ... Wolgast, Heinrich |
| Wolgemut, Michael ... woman's tongue tree |
| womb envy ... Wood Buffalo National Park |
| wood duck ... Wood, Robert |
| Wood, Robert E ... woodpecker |
| woodpecker finch ... Wooldridge, Dean E. |
| Wooldridge, Ian Edmund ... Worcester sauce |
| Worcester v. Georgia ... Workers' International Industrial Union |
| Workers' Opposition ... World Boxing Council |
| World Bridge Federation ... World Medical Association |
| World Meteorological Congress ... World-Wide Standard Seismographic Network |
| WorldCom, Inc. ... woundwort |
| Wouri Bridge ... Wright flyer of 1905 |
| Wright Flyers ... Wrigley, Philip K. |
| Wrigley, William, Jr. ... Wu Sangui |
| Wu school ... Wurm glacial stage |
| Wurm IV Glacial Substage ... Wye, River |
| Wyeth, Andrew ... |
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