Mangin, etc. [A biography. With portraits, a facsimile and a map.]
Dutrèb, M.,pseud. [i.e. Marthe du Bert].
Granier De Cassagnac, P. A. de.
Paris, 
1920.
Joint authors: M. Dutrèb, pseud. [i.e. Marthe du Bert] and A.P. de Granier De Cassagnac.