found: Uptown shakedown [SR] p1979:label (Syl Johnson)
found: LC data base, 7-1-93(hdg.: Johnson, Syl, 1936- )
found: All music guide WWW site, Apr. 18, 2007(Syl Johnson; b. 1938, Centerville, TN; soul and blues vocalist and harmonica player)
found: Enc. of pop. mus., 4th ed.(Johnson, Syl; b. Sylvester Thompson, July 1, 1936, Holly Springs, Miss.)
found: Johnson, S. 2 Johnsons are better than one [SR] 2002:container (Syl Johnson Rhythm & Blues Band; members are Will Crosby, Anthony Space, Frank Collier, Darrell Peyton)
found: New York times WWW site, February 9, 2022(in obituary dated February 9, 2022: Syl Johnson; born Sylvester Thompson, July 1, 1936, near Holly Springs, Miss.; died Sunday [February 6] in Mableton, Ga., at age 85; Chicago soul singer and guitarist; brother of bassist and guitarist Mack Thompson and prominent Chicago guitarist Jimmy Johnson)