found: His Dog days of August [SR] p1986:label (John Cephas) container (b. Washington, D.C.; guitar, vocals)
found: Bowling Green John & Harmonica Phil Wiggins, p1981.
found: All music guide WWW site, Jan. 24, 2007(John Cephas; "Bowling Green" John Cephas; b. Sept. 4, 1930, Washington, D.C.; Piedmont blues musician)
found: New York times WWW site, Mar. 9, 2009(in obituary published Mar. 7: John Cephas; b. in Washington; d. Wednesday [Mar. 4, 2009], Woodford, Va., aged 78; guitarist and singer who kept the Piedmont blues style alive as part of the duo Cephas and Wiggins)
found: The roots of it all, 2014:container (Bowling Green John Cephas)