Leadership, New and Revised The Inner Side of Greatness, A Philosophy for Leaders Koestenbaum Peter Heftet / 2010 / Engelsk
Vitality of Death Essays in Existential Psychology and Philosophy Koestenbaum Peter Innbundet / 1971 / Engelsk
Philosophic Consultant Revolutionizing Organizations with Ideas Koestenbaum Peter Heftet / 2002 / Engelsk
Confronting Our Freedom Leading a Culture of Chosen Accountability and Belonging Block Peter Innbundet / 2023 / Engelsk
