Ridge Route Preservation Organization

Jill Livingston's: "That Ribbon Of Highway"

Michael Ballard's Ridge Route Site

National Register of Historic Places --the ridge route is listed here

US 99 Side Trips: Piru Gorge and Gorman -- this has a little info

Santa Clarita Valley Historical Society

Don Wilson's Historic Hwy. 101 site

http://caltrafficsigns.com/ -- Pictures and info about historical traffic signs

Harrison Irving Scott introduces his son, James John Scott and his children's book "Monster Patrol"