The Oyster Shell Scale. Bulletin No.III of the Maryland Agricultural Experiment Station. October, 1906.
College Park, MD: Agricultural Experiment Station, 1906. Paperback. VG+ in original orange wrappers. Blind-stamped with pervious owner's seal. Minor brownign to interior. Includes diagrams and photographic illustrations of trees around Maryland. 13 pages. Marylandia wraps. MD/2203. Very Good +. More