In Memoriam Christian Freksa. - Helen Piel; Rudolf Seising (Künstliche Intell., 2020)

In Memoriam Pamela McCorduck. - Helen Piel; Rudolf Seising (Künstliche Intell., 2022)

The "KI-Rundbrief," Its Editors, and Its Community: A Perspective on West German AI, 1975-1987. - Dinah Pfau; Helen Piel; Florian Müller 016; Jakob Tschandl; Rudolf Seising (IEEE Ann. Hist. Comput., 2023)

Perspectives on Artificial Intelligence in Europe. - Helen Piel; Rudolf Seising (IEEE Ann. Hist. Comput., 2023)