Z. deForest Ely & Co., Philadelphia, PA (Biodiversity Heritage Library)

Z. de Forest Ely & Co., 1893, Wholesale Price List, Philadelphia, PA

Z. de Forest Ely & Co., 1894, Lilium, Hyacinths, Narcissus, Tulips, Philadelphia, PA

Z. de Forest Ely & Co., 1896, Lilium, Hyacinths, Narcissus, Tulips, Philadelphia, PA