For Pete's Sake!: Fan site detailing the roles played by Peter Wingfield. Lots of photos and links, including one to an email list devoted to all these characters.
IMDb: Peter Wingfield: Biography and filmography.
Official Peter Wingfield Fan Club Web Page: Includes membership information, convention information, biography, filmography and a photo gallery.
Peter Wingfield TV schedule: Current month's listings for Peter Wingfield. Includes network and cable appearances.
Unofficial Peter Wingfield Appreciation Guild: Site includes career updates, convention appearances and information on becoming a member. Free online membership is available. Printed newsletter available with paid membership.