"Texas Birth Index, 1903–1997 (database), FamilySearch: 5 dicembre 2014), VD5H-SWP "Ralph Henry Kirshbaum, born 4 marzo 1946, su familysearch.org.; from Texas Birth Index, 1903-1997," database and images, Ancestry (http://www.ancestry.com: 2005); citing Texas Department of State Health Services
"Texas Birth Index, 1903–1997 (database), FamilySearch: 5 dicembre 2014), VD5H-SWP "Ralph Henry Kirshbaum, born 4 marzo 1946, su familysearch.org.; from Texas Birth Index, 1903-1997," database and images, Ancestry (http://www.ancestry.com: 2005); citing Texas Department of State Health Services
genealogybank.com
"Dealey Auditions Winner Will Play With Symphony," "Dallas Morning News", 13 marzo 1967, Sec A, pg. 23 (URL consultato il viaGenealogyBank.com.; subscription required)
Who's Who in the South and Southwest, Marquis Who's Who, Wilmette, Illinois
14ª ed., 1975–1976 (1975); OCLC502333793
15ª ed., 1976–1977 (1976); OCLC15687672
Who's Who in the West, Marquis Who's Who, Wilmette, Illinois
16ª ed., 1978-1979 (1978); OCLC805903538 e 956675948
17ª ed., 1980-1981 (1980); OCLC13777132
18ª ed., 1982-1983 (1982); OCLC805915043