found: Impulse artists on tour. [Phonodisc] 1974.
found: New Grove dict. of jazz(Rivers, Sam(uel Carthorne); b. Sept. 25, 1930, El Reno, OK; saxophonist, pianist, and composer)
found: Wikipedia WWW site, Dec. 27, 2011(under Sam Rivers: Samuel Carthorne Rivers; b. Sept. 25, 1923, Enid, Okla.; d. Dec. 26, 2011, Orlando, Fla.; jazz musician and composer; performed on soprano and tenor saxophones, bass clarinet, flute, harmonica, and piano)
found: New York times WWW site, Dec. 28, 2011(in obituary published Dec. 27, 2011: Sam Rivers; b. Samuel Carthorne Rivers, Sept. 25, 1923, El Reno, Okla.; d. Monday [Dec. 26, 2011], Orlando, Fla., aged 88)
found: African American National Biography, accessed March 28, 2015, via Oxford African American Studies Center database:(Rivers, Sam; saxophonist, composer, arranger, pianist, jazz musician; born 25 September 1923 in El Reno, Oklahoma, United States; student at Jarvis Christian College in Texas; studied composition and theory at Boston Conservatory (1947); attended Boston University (1947-1952); joined Herb Pomeroy orchestra (1960-1962) and Miles Davis Quintet (1964); signed a recording contract with Blue Note (1964); toured and recorded with Cecil Taylor Unit Ensemble (1968-1973); formed RivBea All-Star Orchestra; released two albums for RCA: Grammy Award nominated Inspiration (1999) and Culmination (2000); released a double-CD on Rivbea (his label) documenting his big band (2000))