Ruth Barach Cox Painting Conservation, Inc. (919) 493-2031 byzantineblue@earthlink.net David Goist Goist Art Conservation 3201 Churchill Road Raleigh, NC 27607 (919) 783-0252 gocon@aol.com Janet Hessling Hessling Conservation LLC 3500 Westgate Dr, Suite 305 Durham, NC 27707 (919)-210-5465 http://hesslingconservation.com/