- 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
- 4 Windmill Island
- 4 Windmill Island, Pennsylvania
- 14 Windmills
- 6 Window displays
- 1 Window sills
- 58 Windows
- 9 Windrim Avenue
- 59 Windrim, James H. (James Hamilton), 1840-1919, Architect
- 2 Windsor chairs
- 5 Wine
- 14 Wine
- 2 Wine bottles
- 22 Wine industry
- 7 Wine making
- 7 Wineries
- 9 Winged Horses (Philadelphia, Pa. : Monument)
- 6 Wingohocking Mills
- 23 Wings (animal components)
- 2 Wings (building divisions)
- 1 Wink, Benjamin
