Gullmann, C., photographer, by, Poughkeepsie, NY (1864-1866) cdv with tax stamp; C. Gullmann, photographer, Filkin’s Gallery, Poughkeepsie, NY (1862) (1863) City Directories; C. Gullman, photographer, 305 Main, Poughkeepsie, NY (1867) City Directory; C. Gullmann, artist, 305 Main St., Poughkeepsie, NY (1860s); C. Gullman, Artist, Po'keepsie, NY (late 1860s-early 1870s); Christopher Gullman, Christopher, photographist, Poughkeepsie, NY (1870) Sampson Davenport NY State Business Directory