The hymns of Zarathustra /
being a translation of the Gäthās together with introduction and commentary by Jacques Duchesne-Guillemin ; preface by Richard N. Frye ; translated from the French by M. Henning 
. - London : Beacon Press,  1963 
. - ix, 162 p.  20 cm. 
 - (Beacon  ; LR 19 )