West Virginia Penitentiary (retired prison facility - tour information)

Large link collection, many history-related.)

Eastern State Penitentiary (text and photos)

Alcatraz: The Warden Johnston Years

Alcatraz Website

Collection of Links from Michigan

Assorted History Links

Mansfield, Ohio Reformatory (retired prison facility - tours, history, pictures, etc)

Washington State Penitentiary (text and photos)

New York Correction History Society (city, state, counties)

Maine State Prison (history of)