these should keep you going...
Singles
Chess 1625: "Billy's Blues" / "Billy's Blues" (3/1956, with Bo Diddley & His band)
Okeh 4-7095: "Baby, You're My Only Love" / "Billy's Heartache" (1957 with Bo Diddley)
Chess 1820: "Reap What You Sow" / "Fat Boy" (1962)
Chess 1835: "True Fine Lovin'" / "Wedding Bells" (1962)
Chess 1852: "Scramble" / "Oh, What Can The Matter Be" (1963)
Chess 1868: "Sugar And Spice" / "Strange Feeling" (1963)
Chess 1888: "Fat Boy Can Cry" / "Count Me On" (1964)
Chess 1905: "Tell It Like It Is" / "My Sweet Senorita" (1964)
Chess 1922: "I Do Love You" / "Keep Loving" (1965)
Chess 1932: "Sitting In The Park" / "Once Again" (1965)
Chess 1941: "How Nice It Is" / "No Girl" (1965)
Chess 1948: "Because I Love You" / "Mountain Of Love" (1965)
Chess 1960: "Love Me" / "Why Am I Lonely" (1966)
Chess 1966: "Summertime" / "To Love, To Love" (1966)
Chess 1978: "Secret Love" / "Look Back And Smile" (1967)
Chess 1991: "Every Day I Have The Blues" / "Ol' Man River" (1967)
Chess 2002: "Cross My Heart" / "Why (Do I Love You So)?" (1967)
Chess 2053: "Tell Me The Truth" / "What Have I Done?" (1968)
Chess 2063: "I'm In Love" / "Crazy 'Bout You, Baby" (1969)
Chess 2080: "By The Time I Get To Phoenix" / "We'll Always Be Together" (1969)
Albums
Chess 1496: I Do Love You (1965) (Billboard #97)
Chess 1499: Unbelievable (1965) (Billboard #138)
Chess 1513: Billy Stewart Teaches Old Standards New Tricks (1967)
Chess 1547: Remembered (1969)
Sugar Hill Chess CH-8401: The Greatest Sides (1982)