Pflanzenbiologische Untersuchungen : nebst algologischen Schluszbemerkungen - Hansgirg, Antonin, 1854 -1917 (Alfred Hölder, 1904)

Pflanzenphysiologie als Theorie der Gärtnerei. Für Botaniker, Gärtner, Landwirte, Forstleute und Pflanzenfreunde - Molisch, Hans, 1856 -1937 (G. Fischer, 1922)

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsels und Kraftwechsels in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsel und Kraftwechsel in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Die Pflanzenwelt Norwegens : ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (1873)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1864)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1867)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1866)

The Phoenix Nursery Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Co, 1912)

The Phoenix Nursery Company. Catalogue no. 3, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1913)

The Phoenix Nursery Company. Catalog no. 3 : [spring 1910] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1910)

The Phoenix Nursery Company. Catalogue no. 3, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1915)

The Phoenix Nursery Company [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Company, 1911)

Phoenix's plant catalogue including plant novelties, greenhouse & bedding plants in eight classes, each alphabetically arranged : 1. New plants, 2. Hothouse plants and bedders, 3. Greenhouse and bedding plants, 4. Leading plants with lists, 5. Vase and basket plants, 6. Hardy herbaceous plants, 7. Fruit and vegetable plants, 8. summer flowering bulbs; bouquets, wreaths and floral decorations to order - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Nursey, published by F.K. Phoenix, proprietor, 1875)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1945)

PHS news - Pennsylvania Horticultural Society. (The Society, 1984)

Physiological botany; I. Outlines of the histology of phaenogamous plants; II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (Ivison, Blakeman, Taylor, 1885)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1903)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1972)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1996)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

Phytoneuron (Guy L. Nesom, 2012)

Pitzonka's Pansy Farm, "The home of the pansy" : perennials, bulbs, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1934)

Pitzonka's Pansy Farm, "The home of the pansy" : rock plants, bulbs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1933)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1910)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1912)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1911)

P.J. Berckmans Co., Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1913)

Planning and planting service by Turner Bros. Nursery, West Long Branch, N.J - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1939)

Planning and planting the home grounds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Templin-Crockett-Bradley Co, 1924)

Plans and plants for grounds and gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1919)

Plant a garden now for next year's enjoyment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1938)

Plant a victory garden this year, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Powell Seed Store, 1943)

Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of micro-technic - Stevens, William Chase, 1861 -1955 (P. Blakiston's Son, 1910)

Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of microtechnic - Stevens, William Chase, 1861 -1955 (P. Blakiston, 1910)

Plant and seed list for fall of 1929 and spring of 1930 : retail only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.H. Snowberger, 1929)

Plant book : spring, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Flower Farm, 1956)

Plant book : White Flower Farm, rare plantsmen, Litchfield, Connecticut, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Flower Farm, 1959)

Plant catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles Fiore Nurseries, 1940)

Plant catalogue : orchids, palms, ferns, foliage, and flowering plants, chrysanthemums, hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1894)

The plant cell : its modifications and vital processes, a manual for students - Royal College of Physicians of Edinburgh. (Charles Griffin, 1910)

The plant cell : its modifications and vital processes, a manual for students - Haig, Harold Axel. (Charles Griffin, 1910)

The plant cell, its modifications and vital processes; a manual for students - Haig, Harold Axel. (C. Griffin and Company, Ltd, 1910)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant disease Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1925)

Plant F1 hybrid petunias in 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett-Seedsmen Inc, 1955)

Plant hardy Northern grown fruit trees, shade trees, evergreens, roses, flowering shrubs, berries : 60th Anniversary catalog, spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherman Nursery Company, 1944)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.N. Roberson Co, 1952)

Plant list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.N. Roberson Co, 1946)

Plant list and order sheet for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1932)

Plant list and order sheet for 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1933)

Plant list and order sheet for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1934)

Plant list and order sheet for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1936)

Plant list and order sheet for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1937)

Plant list and order sheet for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1938)

Plant materials : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1924)

Plant materials, 1925 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1925)

Plant materials, 1926 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1926)

Plant morphogenesis - Sinnott, Edmund W. (Edmund Ware), 1888 -1958 (McGraw-Hill, 1960)

Plant morphology - Haupt, Arthur W. (Arthur Wing), 1894 - (McGraw-Hill, 1953)

Plant names, scientific and popular, including in the case of each plant the correct botanical name in accordance with the reformed nomenclature, together with botanical and popular synonyms ... - Lyons, A. B. (Albert Brown), 1841 -1926 (Nelson, Baker & Co, 1900)

Plant perennials, rock-plants, and bulbs now for next year's bloom [bulletin and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1930)

Plant physiology; authorized English translation by R. J. HarveyGibson; supplement incorporating the alterations of the 2d ed. of the German original - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1913)

Plant propagation; being a description of the various methods employed by both amateur and professional gardeners. Written and comp. by Walter Davis - Davis, Walter ("The Bazaar, exchange & mart" office, 1922)

Plant propagation; greenhouse and nursery practice - Kains, M. G. (Maurice Grenville), 1868 -1946 (Orange Judd company, 1916)

Plant this fall for early spring flowers : shrubs, trees, vines, iris, perennials, tulips, crocuses, peonies, hyacinths, narcissi [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.C. Casler, 1930)

Plant this fall for early spring flowers : tulips, crocuses, peonies, hyacinths, shrubs, trees, iris, vines perennials [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.C. Casler, 1931)

The Plant world - Plant World Association. (Plant World Association [etc.], 1909)

Plant your garden with Malmo quality fruit & nut trees, roses, flowering trees, evergreens, vines, perennials, seeds, bulbs, fertilizers, soils, garden supplies : victory Number 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries and Seed Stores, 1945)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Planter's manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lake City Nurseries, Inc, 1929)

Planter's manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clinton Falls Nursery Co, 1927)

Planter's manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lake City Nurseries, Inc, 1928)

Planter's manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lake City Nurseries, Inc, 1930)

Planters price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1915)

Planters price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1916)

Plantes alpines & vivaces, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H. Correvon & Fils, 1933)

Les plantes des montagnes et des rochers, leur acclimatation et leur culture dans les jardins - Correvon, Henry 1854 -1939 (L'auteur; [etc., etc.], 1914)

Les plantes a feuillage coloré : histoire, description, culture, emploi des espèces les plus remarquables pour la décoration des parcs, jardins, serres, appartements précédé d'une introduction par Charles Naudin - Lowe, E. J. (Edward Joseph), 1825 -1900 (Rothschild, 1867)

Les plantes a feuillage coloré : histoire, description, culture, emploi des espèces les plus remarquables pour la décoration des parcs, jardins, serres, appartements précédé d'une introduction par Charles Naudin - Lowe, E. J. (Edward Joseph), 1825 -1900 (Rothschild, 1870)

Les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1942)

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Planting guide, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1947)

Planting guide for 1943 : fruits for food, flowers for courage - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1943)

Planting guide for 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1944)

Planting guide for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1945)

Planting guide for fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1947)

Planting guide for spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1947)

Planting specials : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holtzermann's, 1935)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1947)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1948)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1969)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1976)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1978)

Plants and bulbs for blooming in winter and spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Miss Jessie M. Good, 1921)