, 2007, 'Plato's Republic: an address', The New Yearbook for Phenomenology and Phenomenological Philosophy 7, 297-308.
, 2006a, 'History and dialectics', The New Yearbook for Phenomenology and Phenomenological Philosophy 6, 161-167.
, 2006b, 'Vom Sinn der Sinne: ein Beitrag zur Grundlegung der Psychologie', The New Yearbook for Phenomenology and Phenomenological Philosophy 6, 305-306.
with Patard, E. , 2006, 'Ausgewählte briefe von Jacob Klein an Gerhard Krüger, 1929-1933', The New Yearbook for Phenomenology and Phenomenological Philosophy 6, 308-329.
with Hopkins, B.C. , 2003, 'Aristotle (I)', The New Yearbook for Phenomenology and Phenomenological Philosophy 3, 295-313.
, 2002, 'The problem of truth', The New Yearbook for Phenomenology and Phenomenological Philosophy 2, 367-374.
, 2001, 'On the Platonic Meno in particular and Platonic dialogues in general', The New Yearbook for Phenomenology and Phenomenological Philosophy 1, 357-367.
, 1934a, Die griechische Logistik und die Entstehung der Algebra I, Springer, Berlin.