"California, County Marriages, 1850–1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K8VZ-S69 : accessed March 21, 2016), Faith Orton in entry for John Rodney Frost and Mildred Blanche Coles, June 18, 1939; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 2,114,336.
"California Birth Index, 1905–1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VLJ9-4CL : accessed March 21, 2016), Coles in entry for Josephine Faith Frost, May 14, 1942; citing Los Angeles, California, United States, Department of Health Services, Vital Statistics Department, Sacramento.
Feminine Lead For 'Debutante, Inc.', Page 15, 1940-09-21, Reading Eagle Newspaper, Google News Archive Search, Mildred Coles, beautiful young brunette actress, has been borrowed from Warner Bros, by Lee Marcus, executive producer, to play the romantic ingenue lead...
Miss Coles Gets Break, By Charles R. Moore, 1941-03-30, The Pittsburgh Press, Google News Archive Search
"NOT NECK TO KNEE, BUT NICE". Truth. No. 2688. New South Wales, Australia. July 13, 1941. p. 37. Retrieved March 22, 2016 – via National Library of Australia.
obscureactresses.wordpress.com
Mildred Coles, 2015/06/27, Those obscure objects of desire
Nixon, Rob. "Play Girl" on TCM.com, Mildred Coles was snatched from uncredited roles and bits to play her first major part on screen. It didn't catapult the former beauty queen to stardom, but she settled into what was for her a satisfying career, mostly in Westerns, before retiring from acting in 1948 at the age of 28.