GROUPE DE RÉFLEXION SUR L'IMAGE DANS LE MONDE HISPANIQUE
PAU 1897-03
SADLER'S WELLS[...] and among other animated photographs which win favour are a dance by the Sisters Hengler, a serpentine dance, in which the colours of the dancer's dress are reproduced.The Era, Londres, samedi 16 janvier 1897, p. 18.
"The Misses Hengler, who are at the Alhambra"photo by Sarony, New YorkThe Sketch, nº 336, Vol. XXVI, mercredi 5 juillet 1899, p. 478.