[en] [Gutenberg 5683] • The Critique of Practical Reason Cambridge University Press
[en] A Practical Companion to Ethics, 3e (2006) Oxford University Press, USA
[en] More Than Two · A Practical Guide to Ethical Polyamory Thorntree Press
[en] The Art of Confession · Renewing Yourself Through the Practice of Honesty Workman Publishing Company
[en] Yamas & Niyamas · Exploring Yoga's Ethical Practice On-Word Bound Books
[en] The Emperor Has No Clothes A Practical Guide for Environmental and Social Transformation Smashwords Edition
[en] The Certainty of Uncertainty Imprint Academic
[en] Shari’a, The I.B. Tauris
[en] The Shrink and the Sage Icon Books
[en] [Oneworld Beginner's Guide 01] • Ethics Oneworld Publications
[en] Politics As a Vocation Oxford University Press, New York
[en] [Gutenberg 11634] • Human Nature in Politics / Third Edition BiblioLife
[en] The Bible and African Americans · A Brief History Fortress Press
[fi] [Gutenberg 16620] • Ojennusnuora Karisto
[es] Diálogos sobre religión natural Alianza