Romberg, O. R., Lichtenstein, H., & Lord, R. (1995). Thirty Years of Diplomatic Relations between the Federal Republic of Germany and Israel. Tribüne-Verl..

Romberg, Otto R., Heiner Lichtenstein, and Richard Lord. Thirty Years of Diplomatic Relations Between the Federal Republic of Germany and Israel. Frankfurt am Main: Tribüne-Verl., 1995.

Romberg, Otto R., et al. Thirty Years of Diplomatic Relations Between the Federal Republic of Germany and Israel. Tribüne-Verl., 1995.