Periodical catalogue of fruit and ornamental trees and plants : 1845 & 1846 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph H. Jennings, Printer, 1845)

Periodical catalogue of fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopkins & Jennings, Printers, 1843)

Periodical catalogue of fruit and ornamental trees and shrubs, green house plants, &c., cultivated and for sale at Bartram's Botanic Garden, Kingsessing - Bartram's Garden (Philadelphia, Pa.) (Russell and Martien, 1828)

Perkie wild flowers for your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ivy Hill Forest, 1957)

Perry's seeds, 1935 : lawn, vegetable and flower seeds, bulbs, plants, garden and poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1935)

Perry's seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1936)

Perry's seeds, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1937)

Perry's seeds, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1938)

Perry's seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1939)

Perry's seeds, 1940 : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1940)

Perry's seeds and garden requisites, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1934)

Perry's seeds, bulbs, plants, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1946)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1943)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1944)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1941)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1942)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1945)

Perry Seed Company, 1929 : successors to Fiske Seed Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1929)

Perry Seed Company, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1931)

Perry Seed Company, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1932)

Perry Seed Company, successors to Fiske Seed Company : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1930)

The Perry Seed Store Catalogue : ulbs, hardware, implements, drain tile, tin shop &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Perry Seed Store, 1895)

The Perry Seed Store : seeds, bulbs, hardware, implements, drain tile, tin shop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Ebeling, 1898)

The Perry Seed Store twenty sixth annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Perry Seed Store, 1896)

Personal narrative of explorations and incidents in Texas, New Mexico, California, Sonora, and Chihuahua, connected with the United States and Mexican boundary commission, during the years 1850, '51, '52, and '53 - Bartlett, John Russell, 1805 -1886 (D. Appleton & company, 1854)

Personal narrative of explorations and incidents in Texas, New Mexico, California, Sonora, and Chihuahua : connected with the United States and Mexican Boundary Commission, during the years 1850, '51, '52, and '53 - Bartlett, John Russell, 1805 -1886 (D. Appleton & Company, 1854)

Petals from Flowerland : 1932 a new year, Olympiad a new rose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1932)

Peter Henderson & Co.'s 1882 catalogue of bulbs for fall planting, plants for winter flowering, seeds for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.'s catalogue of everything for the garden : 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1880)

Peter Henderson & Co.'s catalogue of everything for the garden : 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1881)

Peter Henderson & Co's manual of everything for the garden : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co's seed catalogue : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.s catalogue of everything for the garden : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson, Stumpp & Walter : 1953 garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson, Stumpp & Walter Co, 1953)

Peterson Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1904)

Pflanzen-Sammlung des Leichtlin'schen Gartens in Baden-Baden - Leichtlin, Max. (Max Leichtlin, 1883)

Pfund's dependable trees, shrubs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfund Nursery Co, 1922)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1878)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1874)

PHS news - Pennsylvania Horticultural Society. (The Society, 1990)

PHS news - Pennsylvania Horticultural Society. (The Society, 1995)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytographie médicale : histoire des substances héroiques et des poisons tirés du règne végétal - Roques, Joseph, 1772 -1850 (Garnot, 1845)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1986)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1989)

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

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2006)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2008)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2009)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2016)

Phytoneuron (Guy L. Nesom, 2017)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

Pitcher & Manda catalogue of flower and vegetable seeds and bulbs for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1895)

Pittonia :a series of papers relating to botany and botanists - Greene, Edward Lee, 1843 -1915 (Doxey & Co. [etc.], 1889)

Pitzonka's giant-flowering mixture of pansy plants : fall 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1939)

Pitzonka's perennial and rock-garden plants : for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1953)

Plant-breeding; being five lectures upon the amelioration of domestic plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1895)

Plant-breeding; being five lectures upon the amelioration of domestic plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan and co, 1895)

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 explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant hybridization before Mendel - Mendel, Gregor, 1822 -1884 (Princeton University Press, 1929)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1938)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1939)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

Plant life and evolution (H. Holt, 1911)

Plant life of Alabama, an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown printing co, 1901)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

The plant life of Maryland - Shreve, Forrest, 1878 -1950 (Johns Hopkins Press, 1910)

Plant lists, Maine, Vermont, New Hampshire - Perkins, Anne E., (1927)

Plant lists, Mexico - Hinton, George B., 1882 -1947 (1931)

Plant lists : Texas - Lay, Daniel W., (1930)

Plant materials 1923 : a catalogue of descriptions and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1923)

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 production. Part I. Agronomy - Halligan, Charles Parker, 1881 - (American book company, 1919)

The Plant world - Plant World Association. (Plant World Association [etc.], 1898)

Plantae Plandomenses; or, A catalogue of the plants growing spontaneously in the neighbourhood of Plandome, the country residence of Samuel L. Mitchill - Eddy, Caspar Wistar, 1790 -1828 (1807)

De planten in den botanischen tuin bij het Groot militair hospitaal te Weltevreden - Filet, G. J., 1825 -1891 (Lange, 1855)

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

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

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

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

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

Planting guide for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Collins Nurseries, Incorporated, 1932)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1945)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1946)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1958)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1962)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1968)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1971)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1973)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1981)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1983)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1985)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1988)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1989)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1990)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1992)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1993)

Plants collected and for sale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1920)

Plants collected and for sale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1921)