Friends of Montclair Railroad Trail - www.montclairrrtrail.org
Oakland History Dot Com - www.oaklandhistory.com
Key Route Group - groups.yahoo.com/group/Key_Route_Group/
Home Depot Sucks (sorry, I just don't like them) - www.homedepotsucks.org
Western Railway Museum - www.wrm.org
Lake Minnewaska History Site (one of my other websites) - www.lakeminnewaska.org
Have any you'd like to add? Contact me and I'll add them to the list.