Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1883)

The physiology of flowering - Hillman, William S. (Holt, Rinehart and Winston, 1962)

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, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1979)

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, 2016)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2019)

Phytoneuron (Guy L. Nesom, 2010)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Pinaceae : being a handbook of the firs and pines - Nelson, John. (Hatchard, 1866)

Pinaceae: being a handbook of the firs and pines - Nelson, John. (Hatchard and co, 1866)

The pinetum Britannicum : a descriptive account of hardy coniferous trees cultivated in Great Britain - Ravenscroft, Edward, 1816 -1890 (W. Blackwood & Sons, 1884)

Pioneer Nursery of Monrovia : 1876-1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1927)

Pioneer Nursery of Monrovia : [catalog] 1876-1925, forty-nine years experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1925)

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

Plant & eat vegetables for health : 1936, forty-third annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1936)

Plant a true California garden with these native shrubs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Incorporated, 1934)

Plant catalogue : special Southern landscape plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

The plant community - Churchill, Ethan D. (Reinhold Pub. Corp, 1961)

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 immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1916)

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

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

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant life - American Plant Life Society. (American Plant Life Society, 1945)

Plant life - American Plant Life Society. (American Plant Life Society, 1959)

Plant life - American Plant Life Society. (American Plant Life Society, 1973)

Plant life - American Plant Life Society. (American Plant Life Society, 1977)

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)

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1921)

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

Plant these "Roseland grown" plants now and add beauty to your home surroundings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roseland Florist, 1927)

The Plant world - Plant World Association. (Plant World Association [etc.], 1904)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1953)

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

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

Plants for California landscapes : a catalog of drought tolerant plants - California. Department of Water Resources. (State of California, Resources Agency, Dept. of Water Resources, 1979)

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

The plants of Southern New Jersey with especial reference to the flora of the pine barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

The plants of Southern New Jersey; with especial reference to the flora of the Pine Barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

Plants, roses and bulbs for fall and winter blooming : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1912)

Pomona College journal of economic botany as applied to subtropical horticulture - Pomona College (Claremont, Calif.). Department of Biology. (Dept. of Biology of Pomona College, 1913)

Popular deciduous and evergreen trees and shrubs, for planting in parks, gardens, cemetries, etc., etc - Elliott, F. R. (Franklin Reuben), 1817 -1878 (American News Co, 1868)

Popular deciduous and evergreen trees and shrubs, for planting in parks, gardens, cemeteries, etc., etc - Elliott, F. R. (Franklin Reuben), 1817 -1878 (G. E. Woodward, 1868)

Popular deciduous evergreen trees and shrubs, for planting in parks, gardens, cemetaries, etc., etc - Elliott, F. R. (Franklin Reuben), 1817 -1878 (American News Co, 1868)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1906)

Postelsia : the year book of the Minnesota Seaside Station - Minnesota Seaside Station. (Pioneer Press, 1906)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

Practical forestry. A treatise on the propagation, planting, and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd company, 1884)

Practical forestry. A treatise on the propagation, planting and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd Co, 1884)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

A preliminary list of the vascular flora of Allegheny County, Pennsylvania - Shafer, John Adolph, 1863 -1918 (Carnegie Institute Museum?, 1901)

A preliminary report on the biology of Harding County, northwestern South Dakota - Visher, Stephen Sargent, 1887 -1967 (State Publishing Co, 1914)

Price catalog : deciduous and citrus fruit trees roses, plams, ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Fresno Nursery Co., Inc, 1914)

Price catalog of the Santa Clara Valley Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max J. Crow, 1916)

Price catalog of the Santa Clara Valley Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max J. Crow, 1915)

Price catalogue season 1909-1910 : fruit and ornamental trees, evergreens, palms, roses - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1909)

Price catalogue : season 1926-1927 - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1926)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buch Printing Co, 1916)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern Oregon Nursery, 1912)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claremont Nurseries, 1914)

Price list - California Nursery Co. (The Nursery, 1910)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1891)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1892)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1894)

Price list - California Nursery Co. (The Nursery, 1911)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1893)

Price list - California Nursery Co. (The Nursery, 1912)

Price list - California Nursery Co. (The Nursery, 1913)

Price list - California Nursery Co. (The Nursery, 1914)

Price list - California Nursery Co. (The Nursery, 1915)

Price list - California Nursery Co. (The Nursery, 1916)

Price list - California Nursery Co. (The Nursery, 1917)

Price list. 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverside Nurseries, 1917)

Price list. 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverside Nurseries, 1916)

Price list. 1918-1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverside Nurseries, 1918)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sea Island Nursery, 1951)

Price list 1908-1909 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1908)

Price list 1909-1910 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1909)

Price list : 1911-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1910)

Price list : 1911-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1911)

Price list : 1912-1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1912)

Price list : 1913-1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1913)

Price list : 1914-1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1914)

Price list : 1915-1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1915)

Price list : 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1916)

Price list : 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1917)

Price list 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverside Nurseries, 1920)

Price-list : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Saint Mary Nurseries Company, 1920)

Price list 1921-1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Riverside Nurseries, 1921)

Price list 1923-1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. Barthlome, Nursery, 1923)

Price list : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Fresno Nursery Co., Inc, 1924)

Price list : 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jennings Nursery, 1926)

Price list : 1929 : fruit trees, grape and berry vines, ornamental trees and shrubs, roses, palms and tropical plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1929)

Price list and catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Locke's Nursery & Floral Company, 1940)

Price-list : fall and winter 1925-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Brothers' Royal Palm Nurseries, 1925)

Price list : fall and winter 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, 1926)