The nursery-book; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1901)

The nursery-manual; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

De nuttige planten van Nederlandsch-Indië, tevens synthetische catalogus der verzamelingen van het Museum voor Technische- en Handelsbotanie te Buitenzorg - Heyne, K. (Ruygrok, 1913)

Die Nutzpflanzen unserer Kolonien und ihre wirtschaftliche Bedeutung für das Mutterland - Westermann, Diedrich, 1875 -1956 (D. Reimer, 1909)

Nzayilu N'ti : Guide des arbres et arbustes de la région de Kinshasa - Brazzaville - Robbrecht, Elmar (1993)

Oecology of plants : an introduction to the study of plant-communities - Vahl, M. (Martin), 1749 -1804 (Clarendon Press, 1909)

Oecology of plants : an introduction to the study of plant-communities - Warming, Eugenius, 1841 -1924 (Clarendon Press, 1909)

Oecology of plants; an introduction to the study of plant-communities - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1909)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1864)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1876)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1877)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1878)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1882)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1884)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1890)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1903)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1851)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Official guide to the Botanic Gardens, Dominica : illustrated : with an index of the principal plants - Botanic Gardens (Dominica) (The Garden, 1922)

Die offizinellen Pflanzen und Drogen :eine systematische Übersicht über die in sämtlichen Staaten Europas sowie in Japan und den Vereinigten Staaten von Amerika offizinellen Pflanzen und Drogen mit kurzen erläuternden Bemerkungen - Mitlacher, Wilhelm, 1872 -1913 (C. Fromme, 1912)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1845)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1905)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

On the cause of the excretion of water on the surface of nectaries ... - Wilson, William P. (1881)

On the culture and commerce of cotton in India and elsewhere; with an account of the experiments made by the Hon. East India Company up to the present time - Royle, J. Forbes (John Forbes), 1798 -1858 (Smith, Elder, 1851)

On the elaioplasts in mono- and dicotyledonous plants. –On special cellular bodies which form Anthocyanine. –On a special cellular body found in two orchids - Politis, Ioannes. (1914)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

The Orchadian - Australasian Native Orchid Society (The Society, 2002)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

Orchard and garden (J.T. Lovett, 1889)

Orchard and garden book, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1936)

Orchids, stove and greenhouse plants : select nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1913)

Orchis :Monatsschrift der Deutschen Gesellschaft für Orchideenkunde - Dammer, Udo. (1910)

The organic constituents of plants and vegetable substances and their chemical analysis - Wittstein, Georg Christian, 1810 -1887 (MCarron, Bird & Co, 1878)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)

Organographie vegetale ; ou, Description raisonnee des organes des plantes, pour servir de suite et de developpement a la theorie elementaire de la botanique, et d'introduction a la physiologie vegetale et a la description des familles, avec 60 planches en taille-douce - Candolle, Augustin Pyramus de, 1778 -1841 (Chez Deterville, libraire, rue Hautefeuille, no.8, 1827)

Organographie végétale, ou description raisonnée des organes des plantes. Pour servir de suite et de développement a la Théorie élémentaire de la botanique, et d'introduction a la physiologie végétale et a la description des familles ... - Candolle, Augustin Pyramus de, 1778 -1841 (Chez Deterville, 1827)

Florist's journal (How and Parsons, 1844)

Ornamental and fruit trees and shrubs. a guide to Southern horticulture .... 1918 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, 1918)

Ornamental gardening for Americans. A treatise on beautifying homes, rural districts, towns, and cemeteries - Long, Elias A., 1849 -1917 (Orange Judd, 1885)

Ornamental gardening in Florida - Simpson, Charles Torrey, 1846 -1932 (The author, 1916)

Ornamental plants for florists : April-May, 1947, wholesale list A, metropolitan area - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1947)

Ornamental plants for florists : June-July, 1947, wholesale list A, metropolitan area - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1947)

Ornamental plants for florists : October-November, 1947, wholesale list A, metropolitan area - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1947)

Ornamental plants for low-elevation desert areas of southern California - Mathias, Mildred Esther, 1906 - (California Agricultural Experiment Station, 1955)

Ornamental shrubs of the United States (hardy, cultivated) - Apgar, A. C. (Austin Craig), 1838 -1908 (American Book Company, 1910)

Ornamental shrubs of the United States, hardy, cultivated - Apgar, A. C. (Austin Craig), 1838 -1908 (American Book Co, 1910)

The ornamental trees of Hawaii - Rock, Joseph F. (Joseph Francis), 1884 -1962 (1917)

Ornamental trees, vines & shrubs : temporary price list, January 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1940)

Ornamental trees, vines and shrubs : descriptive price list, February 15, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1938)

Ornamentals for low-elevation desert areas of southern California - Mathias, Mildred Esther, 1906 - (Division of Agricultural Sciences, University of California, 1961)

Our 1924 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Drumm Seed and Floral Co, 1924)

Our common fruits; a descriptive account of those ordinarily cultivated or consumed in Great Britain - Bernard, William Bayle, Mrs. (F. Warne, 1866)

Our insect friends and foes - Duncan, F. Martin (Francis Martin), 1873 -1961 (Methuen, 1911)

Our new guide to rose culture : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1905)

Our new guide to rose culture and bulb growing : fall 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1908)

Our new guide to rose culture : typical D.&C. roses painted from nature - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1903)

Our silent salesman : August 21, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1931)

Our silent salesman, fall bulbs, special offer : September 16th, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1932)

Our silent salesman, immediate shipment : March 26th, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1932)

Our silent salesman, immediate shipment : Sept. 17th, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1936)

Our silent salesman, immediate shipment : September 25th, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1935)

Our silent salesman : July 9th, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1931)

Our silent salesman : March 21st, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1930)

Our silent salesman : October 21st, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1930)

Our silent salesman : September 19th, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Co, 1930)

Our specialties : carnations, giant double tuberous-rooted begonias, pelargoniums, palms, orchids, ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John H. Sievers, 1905)

Outlines of botany for the high school laboratory and classroom : (based on Gray's Lessons in botany) - Gray, Asa, 1810 -1888 (American Book Company, 1901)

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 botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University - Gray, Asa, 1810 -1888 (American Book Co, 1901)

Outlines of creation - Noyce, Elisha. (Ward & Lock, 1858)

Outlines of medical botany :comprising vegetable anatomy and physiology...and a glossary of terms - Reid, Hugo. (Maclachlan, Stewart & Co, 1896)

Overzicht der schadelijke en nuttige insecten van Java - Koningsberger, J. C. (Jacob Christiaan), 1867 -1951 (G. Kolff & co, 1908)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1913)

Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author. Vol. I, II - Falconer, Hugh, 1808 -1865 (1868)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

Pamphlets on forestry in California (1900)

Pamphlets on forestry in India (1900)

Pamphlets on forestry in Minnesota (1900)

Pamphlets on silviculture (1899)

Papers on Coccidae or scale insects - United States. Bureau of Entomology. (Government Printing Office, 1908)

Papers on hortcultural and kindred subjects - United States. Department of Agriculture. (1891)

The parasitic fungi of New Jersey - Schwarze, Carl Alois, 1886 - (New Jersey Agricultural Experiment Stations, 1917)

Park's book of autumn for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1953)

Park's book of autumn for 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1954)

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, 1897)

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

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

Park's flower book for 1952 : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1952)

Park's flower book for 1953 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1953)

Park's flower book for 1954 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1954)

Park's flower book for 1955 : "all the best of new and old" : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1955)

Park's flower book for 1957 : "all the best of new and old" in all the floral kingdom : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Park's flower book for 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1958)

Park's flower book for autumn 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1955)

Park's flower book for autumn 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1956)

Park's flower book for autumn 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

The parks and gardens of Paris, considered in relation to the wants of other cities and of the public and private gardens; being notes on a study of Paris gardens - Robinson, W. (William), 1838 -1935 (Macmillan and co, 1878)

The parks, promenades & gardens of Paris : described and considered in relation to the wants of our own cities and of public and private gardens - Robinson, W. (William), 1838 -1935 (John Murray, 1869)

The parks, promenades, & gardens of Paris, described and considered in relation to the wants of our own cities, and the public and private gardens - Robinson, W. (William), 1838 -1935 (J. Murray, 1869)