John Frederick Polycarpus von Schneidau (Stockholm, 1812-Chicago, 1859), 1849, 12 March (or later), The Chicago Flood, Daguerreotype, Janet Lehr, Inc., LL/72559
E.Y. Farrar, n.d., E.Y. Farrar's Ambrotype and Photograph Rooms. 308 Stark Block, Manchester, N.H., Trade card, Janet Lehr, Inc., LL/65390