Speech, how to use it effectively,
by Xanthes, annotated by B. Dangennes [pseud.]
- Authorized ed., tr. by Mme. Léon J. Berthelot de la Boileverie.
- New York [etc.] Funk & Wagnalls company, 1916
- 2 p.l., iii-xi, 13-183 p. 18 1/2 cm.
- Mental efficiency series [v.9] .