Black and white portrait photograph of Anna 'Tante Nannchen' Pfeiffer, sister of Lisette Pfeiffer who was the mother of United States journalist and financier Henry Villard
Unknown author<span style="display: none;">Unknown author</span>
published 1902
Heinrich Hilgard-Villard, <i>Jugend-Erinnerungen, 1835-1853</i>, 1902, p. 148