Our selected list of perennials and dahlias : beautify your landscape with our help - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daybreak Nurseries, Inc, 1935)

Outdoor beauty for your home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1928)

Outdoor decorative guide : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (West Hill Nurseries, Incorporated, 1930)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 - (American Book Co, 1901)

Outlines of lectures on materia medica and botany :delivered in Jefferson Medical College, Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (Joseph G. Auner, 1827)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1914)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1921)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1930)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1931)

Palmer's seeds : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1929)

Pamphlets on forestry in California (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1972)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1883)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1905)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1911)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1914)

Park's autumn list of bulbs, plants and seeds : autumn of 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1900)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1912)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1897)

Park's floral guide, 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1896)

Park's floral guide 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1901)

Park's floral guide : 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1902)

Park's floral guide 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1903)

Park's floral guide : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1915)

Park's floral guide for 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1898)

Park's floral guide for 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1899)

Park's floral guide for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1910)

Park's floral guide for 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1911)

Park's floral guide for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1913)

Park's floral guide for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1917)

Park's floral magazine Vol. LI, no. 6 June 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1915)

Park's illustrated flower book of choice dependable seeds : season of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1929)

Park's illustrated list of hardy bulbs for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1900)

Park’s Surprise list of choice plants, roses and bulbs : season of 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1905)

A partial list of plants available for various uses in general landscape planting - Taylor, Albert D. (Albert Davis), 1883 -1951 (A.D. Taylor, 1916)

Partial stock list of everything pertaining to horticulture for 1905 now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1905)

Partial stock list of everything pertaining to horticulture for 1907 : now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1907)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1836)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1843)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1844)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1849)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

Peonies, native wild flowers, rockery plants : autumn supplement to spring of 1928 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank W. Campbell, 1928)

Perennial and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Logan Nurseries, 1922)

Perennial and rockery plants : shrubs, trees, vines, evergreens, and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, 1930)

Perennial, biennial and annual plants, iris, cut garden flowers in season : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1935)

Perennial border plants, list No. 10 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White & Johnson Co, 1933)

Perennial plants from all over the world, rock plants and floral novelties : fall 1930, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1930)

Perennial plants from all over the world, rock plants and floral novelties : fall, 1931 spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1931)

Perennial plants from all over the world, rock plants and floral novelties : fall 1932 spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1932)

Perennial plants from all over the world, rock plants and floral novelties : fall 1929, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1929)

Perennial plants from all over the world, rock plants and floral novelties : fall 1926-spring 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1926)

Perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cheltenham Nurseries, 1933)

Perennials, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cheltenham Nurseries, 1932)

Perennials, alpines and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cowgill & Rogers, 1929)

Perennials and rock garden plants price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunnybrook Farms Nursery, 1936)

Perennials and rock plants : wholesale catalog, fall 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1939)

Perennials and rock plants : wholesale catalogue, fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1938)

Perennials and rock plants : wholesale catalogue, spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1939)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1935)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1938)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1940)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1936)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1941)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1939)

Perennials, rock plants for 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Perennials, rock plants for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

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)

Perkins' flower gardens, Vol. 2, No. 2, March 1934 : perennials, annuals for your garden and rockery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Brothers, 1934)

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

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)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

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

Die Pflanzenstoffe in chemischer, physiologischer, pharmakologischer und toxikologischer Hinsicht : für Aerzte, Apotheker, Chemiker und Pharmakologen - Husemann, August, 1833 -1877 (J. Springer, 1871)

Pharmacal plants and their culture - Schneider, Albert, 1863 -1928 (Richardson, Superintendent of State Printing, 1912)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1914)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son & Co, 1918)

Pharmaceutical botany; a text-book for students of pharmacy and science - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1920)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1870)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1873)

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

The pharmacopoeia of a botanical physician later - Riddell, William Renwick, 1852 -1945 (Botanical Society of Edinburgh?, 1915)

Phlox, peonies, iris, etc., also a fine collection of perennials : roses, shrubs, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frederic J. Rea, 1915)

Photographs of medicinal and economic plants from natural specimens: plates, figures - Lochman, Charles L. (C.L. Lochman, 1898)

PHS news - Pennsylvania Horticultural Society. (The Society, 1970)

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)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1982)

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, 1994)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

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, 2009)

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

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2016)

Phytoneuron (Guy L. Nesom, 2017)

The Pine barrens of New Jersey : September bulletin, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1929)

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

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

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 indicators: the relation of plant communities to process and practice - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Carnegie Institution of Washington, 1920)

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

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 - 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 Hartsville, S.C - Coker, William Chambers, 1872 -1953 ([Pee Dee Historical Assn.], 1912)

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

Plant list of Waterloo County - Montgomery, F. H. (Frederick Howard), 1902 - (1943)

Plant lists and correspondence - Barkley, Fred A. (Fred Alexander), 1908 -1989 (1949)

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

Plant Pitzonka's perennial flowers to add color and gaiety to your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1944)

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

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

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, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1964)

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

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, 1976)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1979)