Hackett Publishing, 1993.

Immanuel Kant, To perpetual peace: a philosophical sketch, Hackett Publishing, 2003.

Hackett Publishing, 2010, 116.

Indianapolis: Hackett Publishing, 2010.

Indianapolis: Hackett Publishing, 2011.

The Idea of Race (Indianapolis: Hackett Publishing, 2000).

Hackett Publishing, 1986.

Indianapolis: Hackett Publishing, 1987.

Kivy, P. Introduction to the Philosophy of Music, Hackett Publishing, 1989.

Works and Days and Theogony, (1993) Hackett Publishing Company.