Novus conspectus florae Europae; sive, Enumeratio systematica plantarum omnium in Europa hucusque sponte cognitarum - Gandoger, Michel, 1850 -1926 (A. Hermann, 1910)

Now, save more than 33 1/3% on choice flower bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Barnes Importers, 1951)

Now this fall before frosts, you can make your rock gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buskirk's Independence Nurseries, 1930)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1923)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1925)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1907)

The nursery-book; a complete guide to the multiplication of plants ... - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co, 1914)

The nursery-book : a complete guide to the multiplication and pollination of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Rural Pub. Co, 1892)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan co, 1913)

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)

Nursery stock bulbs for fall planting : Autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1928)

Nursery stock, plant, and seed quarantine : notice of quarantine no. 37, with revised regulations - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1940)

Observations on the flora of Japan - Queiroz, Margareth M. C. (1901)

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

Oesterreichische botanische Zeitschrift (A. Skofitz, 1866)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1867)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1879)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1881)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1886)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1892)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1893)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1898)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1899)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1919)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1920)

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

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1852)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1855)

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

On the popular names of British plants : being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (F. Norgate; [etc., etc.], 1879)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams and Norgate, 1870)

An open letter to our many customers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Growers Exchange Inc, 1957)

Opportunities for garden lovers : a schedule of unusual prices on choice bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Scheepers, Inc, 1933)

Order now, pay next fall : this price list good only until July 20, '55 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed & Plant Co, 1955)

Order now, pay next fall : this price list good only until July 20, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed & Plant Co, 1951)

Order now : this price list good only until July 20, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed & Plant Co, 1954)

Order your bulbs now : save 25% or more - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsman, Inc, 1924)

Order your bulbs now : save 25% or more - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsman, Inc, 1926)

Order your bulbs now : save 25% or more - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsman, Inc, 1928)

Order your bulbs now, save 25% or more : special import offer of Dutch bulbs at substantial savings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsman, Inc, 1927)

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 origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (D. Appleton, 1888)

The origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (K. Paul, Trench, Trübnerco, 1888)

The origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (D. Appleton and Co, 1888)

The origin of floral structures through insects and other agencies - Henslow, George, 1835 -1925 (D. Appleton and company, 1888)

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

Ornamental hardy plants of the better class : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1906)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1898)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1909)

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

Our flower-booklet! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stassen Floral Gardens, Inc, 1937)

Our golden anniversary, 1892-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1942)

... Our wholesale trade catalogue : 1929 bulb crop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Rynveld & Sons, 1929)

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 classification and special morphology of plants - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

The Outstanding Darwin tulip for 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1956)

P-W's bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1938)

P-W's bulbs and plants for fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1935)

P-W's bulbs and plants for fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1937)

P-W's fall bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1939)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1904)

Park's book of autumn 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1950)

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 book of autumn : hyacinths, tulips, narcissus, iris, peonies, daylilies, lilies, crocus, other bulbs, seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1947)

Park's fall special : tulips, hyacinths, narcissus, crocus, peonies, iris : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1938)

Park's flower book : choice dependable seeds 1868, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1950)

Park's flower book for 1951 : all the best of new & old : always dependable 1868-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park Seed Co, 1951)

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 1959 : "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, 1959)

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)

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

Park's flower book for autumn 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's flower book for florists, 1957 : "all the best of new and old" : wholesale price list (for florists and growers only) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

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

Park's flower book : planting time supplement 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's special fall catalog : quality bulbs and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1939)

Pathologische Pflanzenanatomie. In ihren Grundzügen - Küster, Ernst, 1874 -1953 (G. Fischer, 1916)

Patterson's numbered check-list of North American plants north of Mexico - Patterson, Harry N. (Harry Norton), 1853 -1919 (Patterson, 1892)

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)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1945)

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

Perennial and rock garden plants : wholesale price list, fall 1937 and spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee Nurseries, 1937)

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

Perry's bulbs for autumn planting, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1939)

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

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

Pestmegye és tájéka viránya - Gönczy, Pál, 1817 -1892 (Magyar Királyi Egyetemi Nyomda Sajátja, 1879)

Pestmegye és tájéka viránya - Gönczy, Pál, 1817 -1892 (Ráth mór Bizománya, 1864)

Peter Henderson & Co. : Autumn bulb catalogue 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1890)

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 low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1905)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

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 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 : 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 : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

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)

P.F. Cürie's Anleitung, die im mittleren und nördlichen Deutschland wildwachsenden und angebauten Pflanzen auf eine leichte und sichere Weise durch eigene Untersuchung zu bestimmen - Cürie, P. F. (C.G. Zobel, 1856)

Pflanzen-geographie auf physiologischer Grundlage - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (Gustav Fischer, 1908)

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

Pflanzenbiologische Schilderungen - Goebel, K. (Karl), 1855 -1932 (N.G. Elwert, 1889)

Pflanzenbiologische Untersuchungen : nebst algologischen Schluszbemerkungen - Hansgirg, Antonin, 1854 -1917 (Alfred Hölder, 1904)

Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde - Kaltenbach, J. H. (Johann Heinrich), 1807 -1876 (J. Hoffmann, 1874)

Das Pflanzenleben der Schweiz - Christ, H. (Hermann), 1833 -1933 (F. Schulhess, 1882)

Die Pflanzenstoffe in chemischer, physiologischer, pharmakologischer und toxikologischer Hinsicht : für Aerzte, Apotheker, Chemiker und Pharmakologen - Husemann, August, 1833 -1877 (Springer, 1882)