Deut. Bibl., 1971-1981 (under Rot, Diter; usage: Diter Rot (1966); Dieter Rot (1967-1972); Dieter Roth (1973- ); Carl Dietrich Roth (1974); Karl-Dietrich Roth (1975) [no publs. in LC data base]; Dietrich Roth (1974) [no publs. in LC data base]; 1982 (under Roth, Dieter; usage: Dieter Roth)
His Dieter Roth, Arbeiten auf Papier ... 1985: p. 57 (b. Karl-Dietrich Roth, 4-21-30)
N.Y. times, June 10, 1998 e(Dieter Roth; reclusive artist and tireless provocateur; b. Karl-Dietrich Roth in Germany, 1930; sent to Switzerland for safekeeping in 1943; d. June 6 in Basel, Switzerland at age 68; lived in Basel and Iceland in later years)