Modes of Thought

 (1995) W. Fikentscher, Mohr Siebeck Verlag, Tuebingen, Germany; 2nd ed. 2004.

Gene, Kultur und Recht

(2000). Schriften zur Rechtspsychologie, Band 5, W. Fikentscher, Usteri and W. Wickler, Editors, Staempfli Verlag AG, Bern

Law and Evolutionary Biology

(1999) Lawrence A. Frolik, Editor, with Wolfgang Fikentscher and Gerti Dieker. Gruter Institute for Law and Behavioral Research, Publisher, Portola Valley, CA