found: World wide record collectors' directory, 1960:preface (by Will Roy Hearne)
found: Southern Folklife Collection discographical files, 1907-2018
found: Finding aid for Southern Folklife Collection discographical files, 1907-2018, via UNC University Libraries WWW site, viewed 9 April 2021(Will Roy Hearne; born 1894; residence, 1943-1972, Los Angeles, Calif.; record collector, sound recording collector) - https://finding-aids.lib.unc.edu/30014/
found: California, U.S., Death Index, 1940-1997, via Ancestry.com, viewed 9 April 2021(Will Roy Hearne; born 3 March 1894, Louisiana; died 31 July 1978, Los Angeles, Calif.)
found: U.S., World War II Draft Registration Cards, 1942, via Ancestry.com, viewed 9 April 2021(Will Roy Hearne; born 3 March 1894, Greenwood, Caddo Parish, La.; residence, 1942, Los Angeles, Calif.)