Dreer's descriptive catalogue of bulbs and other flower roots, with directions for their culture and management :.
Philadelphia, Pa. :H. A. Dreer,1867-8..
biodiversitylibrary.org/page/42697263
The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843.
London :Reeve Brothers,1844-1860..
biodiversitylibrary.org/page/15950742