Built during 1890s

William Kerr House (Randolph County, Indiana)
William L. Welsh Terrace (Kalamazoo County, Michigan)
William Lampman House (Greene County, New York)
William Lang Townhouse (Denver County, Colorado)
William Levering School (Philadelphia County, Pennsylvania)
William Lewis Osborn House (Maricopa County, Arizona)
William McEchron House (Warren County, New York)
William Metzgers New Emporium (Bon Homme County, South Dakota)
William Miller House (Larue County, Kentucky)
William Montgomery House (Hardin County, Kentucky)
William Nickell A., House (Waukesha County, Wisconsin)
Restrained and carefully detailed Queen Anne style house
William O'Brien House (Madison County, Montana)
William Osborne Goodrich House (Milwaukee County, Wisconsin)
French Victorian Gothic style home built by the Pabst family
William P. Nicolson House (Fulton County, Georgia)
William Post Mansion (Upshur County, West Virginia)
William Powrie House (Waukesha County, Wisconsin)
Well ornamented Queen Anne house in the Carroll University neighborhood
William R. Smith House (Muskingum County, Ohio)
William R. Wolf House (Waseca County, Minnesota)
William Riggert House (Sauk County, Wisconsin)
Queen Anne style home
William Riley Scheurer House (Marion County, Oregon)
William Ritter House (Richland County, Ohio)
William S. Smith House (Somerset County, Maryland)
William S. Weir Jr., House (Warren County, Illinois)
William Sauntry House and Recreation Hall (Washington County, Minnesota)
William Shelly School and Annex (York County, Pennsylvania)
William Smith House (Summit County, Ohio)
William Steinmeyer House (Milwaukee County, Wisconsin)
Former residence converted to a multi-family dwelling
William Stolte Jr., House (Sauk County, Wisconsin)
Queen Anne House with a conical roof over the tower and a wrap-around porch
William Street School (Huntington County, Indiana)
William T. Lafferty House (Harrison County, Kentucky)
William Thomas O'Brien House (Durham County, North Carolina)
William Thomas Turner Barn (Johnson County, Kansas)
William Tretheway House (Summit County, Utah)
William W. Kimball House (Cook County, Illinois)
William Zachow Farmstead (Door County, Wisconsin)
Williams County Courthouse (Williams County, Ohio)
Williams Creek School (Gillespie County, Texas)
Williams Family Farm (Carroll County, Georgia)
Williams Free Library (Dodge County, Wisconsin)
Heavy sandstone Romanesque building that housed Beaver Dam's Williams Free Library for over 100 years.
Williams Grove School (Harnett County, North Carolina)
Williams Historic Business District (Coconino County, Arizona)
Williams House (Tazewell County, Virginia)
Williams Memorial Institute (New London County, Connecticut)
Williams Street Bridge (Lewis and Clark County, Montana)
Williams-Erwin House (Ellis County, Texas)
Williams-Gierth House (Butler County, Missouri)
Williams-Ligon House (Pickens County, South Carolina)
Williams-Wootton House (Garland County, Arkansas)
Williamson Historic District (Mingo County, West Virginia)
Williamsport City Hall (Lycoming County, Pennsylvania)
Willis Mickle House (Ada County, Idaho)
Willis Miley House (Bastrop County, Texas)
Willis--Moody Mansion (Galveston County, Texas)
Williston-West Church and Parish House (Cumberland County, Maine)
Wilmarth School (Ashland County, Wisconsin)
Wilson A. Hart House (Otero County, Colorado)
Wilson Block (Dallas County, Texas)
Wilson Bridge (Carroll County, Indiana)
Through truss bridge over Deer Creek on CR 300 North
Wilson Brothers Building (Union County, Oregon)
Italianate 2 story brick & cast iron commercial building built 1890
Wilson Hotel (Skagit County, Washington)
Wilson House and Farmstead (Wasatch County, Utah)
Wilson Park Houses (Lauderdale County, Alabama)
Wilson-Clary House (Laurens County, South Carolina)
Wilson-Vines House (Watauga County, North Carolina)
Winchester Dam (Douglas County, Oregon)
Winchester Savings Bank (Middlesex County, Massachusetts)
Windber Historic District (Unspecified county, Pennsylvania)
Windermere (Carroll County, New Hampshire)
Windom Hall (Monroe County, New York)
Windsor Cotton Mills Office (Alamance County, North Carolina)
Winnebago County Courthouse (Winnebago County, Iowa)
Winnibigoshish Lake Dam (Unspecified county, Minnesota)
Winnsboro Commercial Historic District (Franklin Parish, Louisiana)
Winona and St. Peter Engine House (Winona County, Minnesota)
Former railroad facility now used as a manufacturing facility and distribution center
Winona Church and School (Carroll County, Arkansas)
Winona Free Public Library (Winona County, Minnesota)
Winslow Congregational Church (Bristol County, Massachusetts)
Winsted City Hall (McLeod County, Minnesota)
Winston County Courthouse (Winston County, Alabama)
A historic courthouse in Double Springs, Alabama.
Winter Saloon (Carver County, Minnesota)
Winter, Amos G., House (Franklin County, Maine)
Winters House (Sacramento County, California)
Winthrop Building (Suffolk County, Massachusetts)
Wisdom House (Maricopa County, Arizona)
Wise County Courthouse (Wise County, Texas)
Wise County Courthouse (Wise County, Virginia)
Withers Building (York County, South Carolina)
Withers House (Pulaski County, Kentucky)
Witherspoon Building (Philadelphia County, Pennsylvania)
Wofford--Finney House (DeWitt County, Texas)
Wolf Hotel (Barton County, Kansas)
Wolf Trap Light Station (Mathews County, Virginia)
Wollaston Unitarian Church (Norfolk County, Massachusetts)
Woman's Club of Fall River (Bristol County, Massachusetts)
Wonder Cave Historic District (Grundy County, Tennessee)
Wood County Courthouse (Wood County, West Virginia)
Wood House (Cheshire County, New Hampshire)
Wood Lawn Farm (Judith Basin County, Montana)
Wood Road Metal Truss Bridge (Steuben County, New York)
Through truss bridge over Cohocton River on Wood Road
Wood, Joseph, House (Suffolk County, New York)
Wood, Wilford, House (Orange County, New York)
Wood--Hughes House (Washington County, Texas)
Woodbank (Marshall County, Indiana)
Woodbine Brotherhood Synagogue (Cape May County, New Jersey)
Woodbine Historic District (Camden County, Georgia)
Woodcrest (Suffolk County, New York)
Wooden Express Baggage No. 6076 (Lancaster County, Pennsylvania)
Wooden Hopper Gondola No. 1818 (Lancaster County, Pennsylvania)
Woodland Opera House (Yolo County, California)
Woodlands (Richland County, South Carolina)
Woodlawn Avenue Row (Erie County, New York)
Woodmont (Montgomery County, Pennsylvania)
Woodruff Villa (Salt Lake County, Utah)
Woods and Caples General Store (Washington County, Oregon)
Woodson County Courthouse (Woodson County, Kansas)
Woodstock Inn and Resort (Windsor County, Vermont)
Woodsville Opera Building (Grafton County, New Hampshire)
Woodvale Historic District (Huntingdon County, Pennsylvania)
Woodward Institute (Norfolk County, Massachusetts)
Woodward, Orator F., Cottage (Wyoming County, New York)
Woodworth, Nathan A., House (New London County, Connecticut)
Wooldridge Monuments (Graves County, Kentucky)
Woolslair Elementary School (Allegheny County, Pennsylvania)
Woonsocket District Courthouse (Providence County, Rhode Island)
Worcester Corset Company Factory (Worcester County, Massachusetts)
Worcester Five Cents Savings Bank (Worcester County, Massachusetts)
Worcester Village School (Washington County, Vermont)
Working Boys Home (Middlesex County, Massachusetts)
World War Memorial Library (Steuben County, New York)
Worth County Courthouse (Worth County, Iowa)
Worth County Courthouse (Worth County, Missouri)
Worthy Hotel (Hampden County, Massachusetts)
Wounded Knee Battlefield (Oglala Lakota County, South Dakota)
Wreck of the Peter Iredale (Clatsop County, Oregon)
In Fort Stevens State Park
Wrede School (Gillespie County, Texas)
Wright Butler House (Allegany County, Maryland)
Wright County Courthouse (Wright County, Iowa)
Wright House (Middlesex County, Massachusetts)
Wright Morris Boyhood House (Merrick County, Nebraska)
Wroe--Bustin House (Travis County, Texas)
Wulf C. Krabbenhoft Farmstead (Clay County, Minnesota)
Wyandotte Building (Franklin County, Ohio)
Wyatt, Arthur D. and Emma J., House (Windham County, Vermont)
Wycombe Village Historic District (Bucks County, Pennsylvania)
Wykoff Commercial Historic District (Fillmore County, Minnesota)
Wyndhurst (Berkshire County, Massachusetts)
Wyoming State Penitentiary District (Carbon County, Wyoming)
XIT General Office (Hartley County, Texas)
Yale, The (Cook County, Illinois)
Yamhill River Lock and Dam (Yamhill County, Oregon)
Yankton College Historic District (Yankton County, South Dakota)
Yard--Groesbeck House (Utah County, Utah)
Yeakle and Miller Houses (Montgomery County, Pennsylvania)
Yellow Spring Mill (Hampshire County, West Virginia)
Yerba Buena Island Quarters 1 Naval Training Station (San Francisco County, California)
Yewell House (Daviess County, Kentucky)
YMCA (Essex County, Massachusetts)
Yopps Meeting House (Onslow County, North Carolina)
York Cliffs Historic District (York County, Maine)
York House (Napa County, California)
York Rial House (Miami County, Ohio)
Young Men's Institute Building (Buncombe County, North Carolina)
Younglands (Walworth County, Wisconsin)
Youth's Companion Building (Suffolk County, Massachusetts)
Z. T. (Tip) Hawkes House (Dallas County, Texas)
Zalud House (Tulare County, California)
Zion Evangelical Lutheran Church (Emmet County, Michigan)
Zion Lutheran Church (Erie County, Ohio)
Zion Methodist Church (Norfolk, Virginia)
Zion Poplars Baptist Church (Gloucester County, Virginia)
Zion's German Lutheran Church (Las Animas County, Colorado)
Zodia Stivers House (Jefferson County, Kentucky)
Zoller-Frasier Round Barn (Herkimer County, New York)