The mutation theory; experiments and observations on the origin of species in the vegetable kingdom - Vries, Hugo de, 1848 -1935 (Open Court Publishing Company; [etc., etc.], 1909)

The mutation theory; experiments and observations on the origin of species in the vegetable kingdom - Vries, Hugo de, 1848 -1935 (Open Court Pub. Co, 1909)

Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich - Vries, Hugo de, 1848 -1935 (Veit & comp, 1901)

Nanz & Neuner's floral catalogue for 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nanz & Neuner, 1903)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1880)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1882)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1871)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1896)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1897)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1902)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1898)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1903)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1911)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1899)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1907)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1912)

Neerland's Plantentuin : Afbeeldingen en beschrijvingen van sierplanten voor tuin en kamer - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Wolters, 1865)

Neerland's Plantentuin : Afbeeldingen en beschrijvingen van sierplanten voor tuin en kamer - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Wolters, 1867)

Nelle foreste di Borneo, viaggi e ricerche di un naturalista - Società geografica italiana (Tip. di S. Landi, 1902)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1847)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1849)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1851)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1825)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1826)

Neues allgemeines Garten-Magazin - Bernhardi, Johann Jacob, 1774 -1850 (Im Verlage der Grossherzogl. Sachs. priv. Landes-Industrie-Comptoirs, 1828)

New and beautiful flowers, roses, seeds and plants : 1894 - Conard & Jones Co. (West Grove, Pa.) (Alfred F. Conard, 1895)

The new botanic garden : illustrated with one hundred and thirty-three plants - Dickson, R. W. (Printed for John Stockdale, Piccadilly, by T. Bensley, Bolt-Court, Fleet-Street.,c, 1812)

The new botanic garden, illustrated with one hundred and thirty-three plants - Edwards, Sydenham, 1768 -1819 (J. Stockdale, 1812)

The New England farmer (Thomas W. Shepard, 1822)

New England farmer, and gardener's journal (George C. Barrett, 1835)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1900)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1918)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1919)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1920)

New floral guide : 1899 plain abridged edition - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1899)

New floral guide : 1900 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1900)

New floral guide : 1901 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1901)

New floral guide : 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1902)

New floral guide : autumn 1900 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1900)

New floral guide : autumn 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1901)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1898)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1903)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1915)

New plant introductions - United States. Office of Foreign Seed; Plant Introduction. (G.P.O, 1915)

New rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nurseries, 1897)

New, rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebrecht & Son, 1900)

Ninth annual descriptive catalogue of flower and vegetable seeds : new, rare and beautiful plants, summer flowering bulbs, birds, bird cages, bird seed, &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Clarke, 1883)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1905)

Noll's annual catalogue of seeds for the farm and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Noll & Co, 1903)

Noll's seed annual 1905 : poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Noll & Co, 1905)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1840)

Northern grown seeds : plants, bulbs, fruits 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. May & Co, 1909)

Northwest Ornamental Horticultural Society newsletter - Northwest Horticultural Society. (Northwest Ornamental Horticultural Society, 1974)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2007)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2009)

Notes et mémoires - Haut Commissariat de la République française en Syrie et au Liban, Service des travaux publics, Section d'études géologiques - Haut-commissariat de la République française en Syrie et au Liban Section d'études géologiques (Revue de géographie physique et de géologie dynamique, 1945)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1917)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1896)

Nursery stock from the far north - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Company, 1899)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1880)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1904)

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

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1893)

The orchid-grower's manual, containing brief descriptions of upwards of eight hundred species and varieties of orchidaceous plants; together with notices of their times of flowering, and most approved modes of treatment ... By Benjamin Samuel Williams - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise nurseries, 1871)

The orchid-grower's manual : containing descriptions of the best species and varieties of orchidaceous plants - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise Nurseries, 1885)

The orchid-grower's manual, containing descriptions of upwards of nine hundred and thirty species and varieties of orchidaceous plants; together with notices of their times of flowering, and most approved modes of treatment ... By Benjamin Samuel Williams - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise Nurseries, 1877)

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

Organography of plants, especially of the archegoniatae and spermaphyta - Goebel, K. (Karl), 1855 -1932 (Clar. Press, 1900)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1908)

Our new guide to rose culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1892)

Our new guide to rose culture : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Dingee & Conard Co, 1894)

Our twenty-eighth annual catalogue speaks for our responsibility - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Drumm Seed and Floral Co, 1917)

Our twenty-sixth annual catalogue speaks for our responsibility - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Drumm Seed and Floral Co, 1916)

Pamphlets on silviculture (1899)

Park's illustrated flower book of choice dependable seeds : season of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1930)

Park's illustrated flower book of choice dependable seeds, season of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1933)

Park's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

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

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)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1834)

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.], 1849)

Payne's garden guide [of] seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1918)

Payne's garden guide [of] seeds, plants and trees : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1919)

Payne's garden guide [of] seeds, plants and trees : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1925)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1920)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1921)

Payne's garden guide seeds, plants & trees : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1923)

Payne's garden guide : seeds, plants and trees : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1928)

Payne's garden guide : seeds, plants and trees, 1932 : an informative catalog of flower, vegetable, tree and shrub seeds, roses and flowering plants, vines, ornamental and fruiting shrubs and trees, including an extensive listing of California native trees, shrubs and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1932)

Perennials, shrubs, trees, vines, ferns, espaliers : retail and wholesale list, 1941-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1941)

Periodical catalogue of greenhouse shrubs, vines, herbaceous plants, and bulbous roots - Wm. R. Prince & Co. (s.n, 1832)

Periodical catalogue of greenhouse shrubs, vines, herbaceous plants, and bulbous roots - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1830)

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)

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

Pests not known to occur in the United States or of limited distribution. 72. Garden weevil - Whittle, K. (Animal and Plant Health Service, U.S. Dept. of Agriculture, 1986)

Peter Henderson & Co. bulbs, plants, seeds : Autumn 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1893)

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 1883 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, 1883)

Peter Henderson & Co.'s 1898 autumn wholesale catalogue for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s August to December 1900 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1900)

Peter Henderson & Co.'s August to December 1901 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

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 catalogue of everything for the garden : 1877 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1877)

Peter Henderson & Co's manual of everything for the garden : 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

Peter Henderson & Co.'s quarterly trade list of plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s quarterly wholesale catalogue for florists. : plants, flower seeds for fall sowing : insecticides, fertilizers, "autumn requisites." - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s quarterly wholesale catalogue for florists. : plants, flower seeds, summer flowering bulbs insecticides, etc. : for tools see previous issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s quarterly wholesale catalogue for florists. : plants, flower seeds, tools, summer flowering bulbs, insecticides and fertilizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

Peter Henderson & Co.'s September to December 1899 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co.'s special low prices for immediate orders for import [of] florists' high grade bulbs : for summer and autumn delivery, 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

Peter Henderson & Co.'s spring 1899 florists' and market gardeners' wholesale catalogue of plants, flower seeds, bulbs, vegetable seeds, farm seeds, fertilizers, insecticides, tools. etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co's tested seeds : dealers' wholesale catalogue, for season 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1894)

Peter Henderson & Co's tested seeds : general wholesale catalogue to dealers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1896)

Peter Henderson & Co's tested seeds : general wholesale catalogue to dealers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1895)

Peter Henderson & Co's tested seeds : general wholesale catalogue to dealers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co's tested seeds : wholesale catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s wholesale catalogue for florists and market gardeners : plants, flower seeds, bulbs, vegetable seeds, farm seeds, fertilizers, insecticides, tools. etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds for autumn planting : 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1896)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1894)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and seeds, also books, tools, fertilizers, insecticides and requisities - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1895)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s wholesale catalogue of seeds, plants and bulbs, also tools, fertilizers, insecticides, books and requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1903)

Peter Henderson & Co.'s wholesale list of seeds for 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.'s wholesale price list of bulbs, plants, flower seeds, and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.'s wholesale price list of plants, flower seeds and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co. will quote low prices on : high grade bulbs for summer and autumn delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1895)

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 & Co.s manual of everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson's spring catalogue of new, rare, and beautiful plants for 1872. : greenhouses in Bergen District, of Jersey City, N.J. : Post office address at seed store, no. 35 Cortlandt Street, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1872)

Pflanzen-teratologie systematisch geordnet - Penzig, O. (Ottone), 1856 -1929 (A. Ciminago, 1894)

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