found: Blanchard, T. Discernment [SR] p1986:container (Ralph Peterson, Jr.; drums)
found: Internationale Musikalische Festwochen (2000 : Lucerne, Switzerland). Metamorphosen, 2000:p. 417 (Ralph Peterson; b. 1962, Pleasantville, N.J.)
found: New York times online, March 8, 2021(obituary published March 7, 2021: Ralph Peterson Jr.; jazz drummer and bandleader; born May 20, 1962, Pleasantville, N.J.; died March 1, at his home in North Dartmouth, Mass. at age 58; joined the Art Blakey Big Band and then the Jazz Messengers; founded the band Messenger Legacy, composed of former Blakey band members; taught at Berklee College of Music in Boston)
notfound: Chilton, J. Ww of jazz, 1985;Reclams Jazzführer;Int. ww in music, 10th ed.