His International relations as a social science, 1982: t.p. (E. Krippendorff) verso of t.p. (Ekkehart Krippendorff)

LC data base, 5-15-83 (hdg.: Krippendorff, Ekkehart; usage: Ekkehart Krippendorff)

His Staat und Krieg, 1985: t.p. (Ekkehart Krippendorff) p. facing t.p. (b. 1934)

Zur Kritik des Palme Berichts, c1983: t.p. (Ekkehart Krippendorf)

Le commedie di Shakespeare, 2014: title page (Ekkehart Krippendorf)

Wikipedia, viewed Nov. 27, 2017 (Ekkehart Krippendorff (born March 22, 1934 in Eisenach) is a German political scientist and professor emeritus at the John F. Kennedy Institute for North American Studies at the Free University of Berlin (John F. Kennedy-Institut für Nordamerikastudien/Freie Universität in Berlin))