Lefteuw, Johanes.
The cross of suffering love: a nonviolent path to peace in Tolstoy, Gandhi and Douglass : dissertatio ad Doctoratum in theologia morali consequendum /
Johanes Lefteuw ; Pontificia Universitas Lateranensis, Academia Alfonsiana, Institutum superius theologiae moralis ; moderatores : B. Hr̃ing, N. Filippi 
. - Romae : Pontificia Universitas Lateranensis,  1987 
. - ix, 262 p.  24 cm. 
<br/>К.: Бібліогр. : c. 249-262