Williams, F. (1909). Elmer Wachtel: An appreciation$nElektronische Ressource. International studio, 36(1), pp. 97-98.

Williams, Florence. "Elmer Wachtel: An Appreciation$nElektronische Ressource." International Studio 36, no. 1 (1909): 97-98.

Williams, Florence. "Elmer Wachtel: An Appreciation$nElektronische Ressource." International Studio 36.1 (1909): 97-98.