Inner search : letters (1889-1916) /
Charles de Foucauld ; translated by Barbara Lucas.
- Maryknoll, New York : Orbis Books, (c)1979.
- 151 pages : map ; 21 cm.
Abridged translation of the author's Lettres a mes freres de la Trappe published in 1969. First published in English in 1977 under title: Letters from the desert.