Unidentified photographer / artist, 1870-1871, Plate XVII. the Carolina Twins, Magazine page, albumen print, tipped in, Google Books, LL/35828
Unidentified photographer / artist 1870-1871 Plate XVII. the Carolina Twins
Magazine page, albumen print, tipped in Google Books Wm.H. Pancoast, M.D. "XVIII. The Carolina Twins" in Photographic Review of Medicine and Surgery. A Bi-Monthly Illustration of Interesting Cases, Accompanied by Notes, edited by F.F. Maury, M.D. and L.A. Durhring, M.S. (Philadelphia, J.B. Lippincott & Co.), Vol.I, No.5, 1870-71, p.43-57.
