[en] Handbook of Consciousness Christian Karl

[en] Children to a Degree - Growing Up Under the Third Reich Horst Christian

[en] Partners to a Degree Horst Christian

[en] Slavery, Terrorism and Islam - the Historical Roots and Contemporary Threat Christian Liberty Books

[de] Der Zufall, das Universum und du · Die Wissenschaft des Glücks Christian Brandstätter Verlag

[de] Der Krieg · Von Troja bis zur Drohne Christian Brandstätter Verlag

[en] The Corpse King Christopher Kellen