Town of Williamson
- Wil-1, Johnson, 3520 Eddy Rd.
- Wil-2, Givens, 5621 Ridge Chapel Rd.
- Wil-3, First Baptist Church, 4212 Ridge Rd., Williamson
- Wil-4, Luke, 5875 Eddy Ridge Rd.
- Wil-5, Mogray, 3424 Ridge Rd.
- Wil-6, Graboske, 2871 Ridge Rd.
- Wil-7, Adams-Demyda, 6405 Salmon Creek Rd.
- Wil-8, Knapp, 3653 Ridge Rd.
- Wil-9, Beh, Gas Station, 4051 Ridge Rd. Williamson
- Wil-10, Bruno, 4965 Ridge Rd.
- Wil-11, Weber, 6554 Salmon Creek Rd.
- Wil-12, Breckenridge, 4535 Ridge Rd.
- Wil-13, Reiss, 4765 Ridge Rd.
- Wil-14, Meaker, 7212 Fisher Rd.
- Wil-15, Boekout, 5149 Middle Rd.
- Wil-16, Allen, 7127 Town Line Rd.
- Wil-17, Doty, 4184 Washington St.
- Wil-18, Cooper, 4100 Lake Rd.
- Wil-19, Baldassari, 4025 Lake Rd.
- Wil-20, Tierson, 6520 Townline Rd.
- Wil-21, Unknown, 4442 Jersey Rd.
- Wil-22, Artl, 7076 Bear Swamp Rd.
- Wil-23, Unknown, 6934 Bear Swamp Rd.
- Wil-24, Cole Blacksmith Shop, 4226 Lake Rd. and Jay St.
- Wil-25, Cobblestone Kitchen, 5811 Eddy Ridge Rd.
- Wil-26, Unknown, 3530 Shepherd Rd.
- Wil-27, The Beehive, 4119-4125 East Main Street
- Wil-28, Eddy-Brusso House, 5763 Ridge Chapel Rd.
- Wil-29, East Williamson Reform Church,
- Wil-30, Schoolhouse No 2, 4232 Ridge Rd., (SW corner Ridge Rd. & Locust St.)
- Wil-31, Ridge Chapel School No 10, 6291 Salmon Creek Rd.
- Wil-32, Cornwall Family Cottage, 4165 Lake Rd.
- Wil-33, Fish-McIntyre-Aumann-Peters Barn, 6587 Lake Ave, behind house
- Wil-34, Pratt-Huxley House, 7544 Fisher Rd.
- Wil-35, Paddock-Douglass House, 3628 Ridge Rd.
Town of Williamson and Wayne County 1978 Highway Maps
 | Historical Marker |
- Verlyn Edward Klahn Essay, 1955, Town of Town of Williamson Map with clickable buttons on structure site locations which when clicked will link to the appropriate structure page in the Cobblestone Info Base. A link in the structure page is available to access the corresponding Klahn Essay pages.
- Sun Spots, by Lilah Henry, Williamson Sun column article, November 4, 1948.
- "New York's Cobblestone Landmarks", by Robert W. Frasch with photographs by Chester A. Peters of Pultneyville, NY.