found: Internet movie database WWW site, viewed January 9, 2015:(Ray Ries; cinematographer; born, May 7, 1894; died, August 23, 1977 in Los Angeles, California; also known as: Raymond Ries; R.G. Ries)
found: California Death Index 1940-1977, viewed January 9, 2015 via Ancestry.com(Raymond C. Ries; born May 7, 1894; died, August 23, 1977)
found: Summit County, Ohio, Birth Records, 1866-1908, viewed January 9, 2015 via Ancestry.com(Raymond Chester Ries; born May 7, 1894 in Akron, Ohio)
found: Journal (Photographic Historical Society of New England), viewed online March 6, 2015 via Magcloud WWW sitep. 14-33 (The Ries Brothers and their place in Hollywood history; one of five brothers (Irving, Ray, Park, Paul and Frank) active in early motion picture industry)
found: Ries Tripod WWW sited, viewed March 6, 2015history page (Paul, Park, Ray and Irving Ries were in Hollywood when the motion picture industry was born. They saw the need for a sturdy, durable tripod mounted with a still camera on it for every motion picture set)