Sort By:
  1. Genera et species plantarum fossilium. Sumptibus Academiae Caesareae Scientiarum.
    By: Unger, Franz Joseph Andreas Nicolas, - Akademie der Wissenschaften in Wien.
    Publication info: VindobonaeW. Braumüller1850
    Contributed by: Gerstein - University of Toronto (archive.org)
    View Book