- W ... Wadati-Benioff zone
- Wadd ... Waging Heavy Peace
- Wägmann, Hans Heinrich ... Waiapuka Pool
- Waiariki and Other Stories ... Waits, Tom
- Waitz, Georg ... Walcott, Mary Morris Vaux
- Wald, Abraham ... Walk in the Night, A
- Walk in the Sun, A ... walking
- walking ... Wallace, Sir Donald Mackenzie
- Wallace, Sir Richard, Baronet ... Walmart
- Walmart, Inc. ... Walton, Ernest Thomas Sinton
- Walton, Frederick ... Wang Anshi
- Wang Banshan ... Wangxia, Treaty of
- Wani ... War Emblem
- war engine ... Ward, Arch
- Ward, Artemas ... Warkworth
- Warlight ... Warrant
- warrant ... warthog fever
- Wartime Journalism, 1939–1943 ... Washington
- Washington Academy ... Wāṣil ibn ʿAṭāʾ al-Ghazzāl
- Wasīlah al-adabiyyah ilā al-ʿulūm al-ʿArabiyyah, Al- ... Watch Your Step: 6 Things You Can Fall Into
- Watch, The ... water lettuce
- water level ... water-balance response
- water-bearing stratum ... Waterseller of Seville
- watershed ... Watt, Mike
- Watt, T. J. ... wave-particle duality
- wave–particle interaction ... Way, The
- Way, The Truth, and The Life, The ... We Do Not Part
- We Flew over the Bridge ... Weary Willie and Tired Tim
- weasel ... Webb, James R.
- Webb, Jim ... Weddell seal
- Weddell, James ... weft
- weft knit ... Weil, André
- Weil, Andrew ... Weiss, Paul Alfred
- Weiss, Peter ... welfare economics
- Welfare Island ... Wells, Joseph Morrill
- Wells, Julia Elizabeth ... Wen-ti
- Wen-ti ... Wenzel, Karl von
- Wenzheng ... Wessel, Johan Herman
- Wesselényi Conspiracy ... West Greenland Current
- West Hanover ... West Somerset
- West Spitsbergen ... Western Air Express
- Western Air Lines, Inc. ... Western Interprovincial Football Union
- Western Isles ... Western Sudanic languages
- Western swing ... Westmoreland
- Westmoreland, William ... Wettstein, J. J.
- Wettstein, Johann Rudolf ... Wharton Model
- Wharton’s duct ... What Does the Easter Bunny Have to Do with Jesus?
- What does the monthly jobs report tell us and why is it so important? ... What is buy now, pay later and should you take advantage of it?
- What Is Causing the “Horns” on Rabbits in Colorado? ... What Is The Internet Of Things?
- What Is the Largest Animal on Earth? ... What Was the Pink Tide in Latin America?
- What Was the Science Behind Medical Bloodletting? ... What’s the Difference Between Veins and Arteries?
- What’s the Difference Between Venomous and Poisonous? ... Wheeling Conventions
- Wheelock College ... Where I’ve Been, and Where I’m Going
- Where Is “Old Zealand”? ... Whipple procedure
- Whipple Shield ... White Album, The
- white alder ... white forest
- white fox ... White Mutiny
- White Negro, The ... White Springs
- white spruce ... White, Mike
- White, Minor ... white-throated spadebill
- white-throated sparrow ... Whitman, Marcus
- Whitman, Margaret ... Who Killed Malcolm X?
- Who Killed Tupac Shakur? ... Why Are 22 Chambers Locked in the Taj Mahal?
- Why Are Alcoholic Drinks Called Spirits? ... Why Do Athletes Wear Numbered Jerseys?
- Why Do Bananas Turn Brown? ... Why Do We Pardon Turkeys on Thanksgiving?
- Why Do We Say “A Pair of Pants”? ... Why Is New Jersey Known as the Garden State?
- Why Is New York Called the Empire State? ... Wickard v. Filburn
- Wicked ... widowhood
- Widowmaker ... WiFi
- Wifred ... Wild Berries
- Wild Bill ... Wild Tiger Corps
- wild tobacco ... Wiley, Kehinde
- Wiley, Susan ... Will vs. living trust: What’s the difference?
- Will We Ever Run Out of Sudoku Puzzles? ... William M. Jennings Trophy
- William Marsh Rice University ... Williams, Ella Gwendolen Rees
- Williams, Elmo ... Williams. J.P.R.
- Williamsburg ... Wills, Thomas Wentworth
- Wills, William John ... Wilson, Garland
- Wilson, George Washington ... Winam Gulf
- Winaq ... windfall profit
- windflower ... Winesburg, Ohio
- Winfield, Dave ... Winnetka Plan
- Winnie ... Winter Olympics
- Winter Palace ... wire saw
- wire service ... Wishaw
- wishbone ... With the Procession
- Withals, John ... Wittstock, Battle of
- Wittstock, Charlene Lynette ... Woffington, Peg
- Woffington, The ... Wolfe, James
- Wolfe, John ... Womack, Robert Dwayne
- WOMAD ... Woman-Made: 13 Architects You Might Not Know
- womanism ... won
- Won’t Back Down ... wood sage
- wood screw ... Woodhead Commission
- Woodhead Tunnel ... Woodworth Personal Data Sheet
- Woodworth, Robert S. ... word
- word ... Workers’ Force
- Workers’ General Union ... World Bridge Federation
- world calendar ... World News
- World News Tonight ... world-systems theory
- World-Wide Standard Seismographic Network ... woven wattle
- Wovoka ... Wrexham
- Wrexham ... wrist
- wrist shot ... Wu Man
- Wu men ... Wuliedi
- Wullenwever, Jürgen ... Wyat, Sir Thomas
- Wyat, Sir Thomas, the Younger ... Wythoff
- Wyvill, Christopher ... Wyvill, Christopher
