- 1 Willits, A. A. (Alphonso Albert), 1821-1913
- 1 Willmott, John, 19th cent.
- 1 Willow Brook Mills-Stone Brothers
- 2 Willow Grove Park
- 1 Willow Grove, Pennsylvania
- 3 Willow Street
- 1 Willows
- 3 Willows Avenue
- 6 Wills
- 13 Wills Hospital
- 1 Wills, Mrs. W H, (Janet Chambers)
- 9 Wills, W. Henry (William Henry), 1810-1880
- 19 Wills, W. Henry (William Henry), 1810-1880
- 70 Wilmington, Delaware
- 1 Wilsmen's Christmas Tree Ornaments Factory
- 1 Wilson & Childs Lumber Yard
- 1 Wilson & Childs Philadelphia Wagon Works
- 1 Wilson & Company (Hosiery)
- 1 Wilson & Fenimore Paper Hanging Manufactury
- 1 Wilson and Gibson (Hosiery)
- 22 Wilson Brothers & Company, Architects
- 1 Wilson Sewing Machine Co.
- 1 Wilson, Charles H. & Co. Carding Mill & Print Works
- 1 Wilson, Edward L. (Edward Livingston), 1838-1903
- 1 Wilson, Elwood
- 1 Wilson, Hood & Co.
- 1 Wilson, James, 1742-1798
- 71 Wilson, Joseph M.
- 3 Wilson, Thomas Woodrow (1856 – 1924)
- 3 Winches
- 5 Winchester Repeating Arms Co.
- 3 Wind
- 1 Wind catchers
- 9 Wind instruments
- 1 Windemere Hotel
- 1 Windermere, England
- 2 Windmill Island
- 4 Windmill Island, Pennsylvania
- 14 Windmills
- 6 Window displays
