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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1912)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1914)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1915)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1921)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1899)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1900)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1912)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1902)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1903)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1905)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1910)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1916)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1920)

Navlet's fiftieth birthday garden guide and catalog, 1885-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1935)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1903)

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

New and rare plants, bulbs, fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oliver H. Drew, 1900)

New and rare plants, bulbs, fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oliver H. Drew, 1901)

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, 1912)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1913)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1914)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1915)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1916)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1917)

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

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1910)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1914)

New floral guide : 1912 combined with how to grow roses - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1912)

New floral guide : 1913 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1913)

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

New floral guide : [autumn 1904] - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1904)

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)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1912)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1913)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1914)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1915)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1916)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1917)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1919)

New flowers for your 1950 garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better gardens, 1950)

New flowers for your 1951 garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better Gardens, 1951)

New flowers for your 1953 garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Better Gardens, 1953)

New rare and beautifiul plants, seeds and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1900)

New rare and beautiful flowers - John Lewis Childs (Firm) (The Company, 1901)

Noll's seed annual 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Noll & Co, 1906)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1908)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1912)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1887)

Novelties and specialties : special offer to vegetable and flower growers, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1933)

Novelties and specialties : special offer to vegetable and flower growers, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1934)

Novelties and specialties : special offer to vegetable and flower growers, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1932)

Novelties and specialties : special offer to vegetable and flower growers : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeGiorgi Brothers Co, 1931)

Der Obstbau (W. Kohlhammer, 1914)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1900)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1902)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1909)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1912)

Offerings for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, 1930)

Offerings for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, 1931)

Offerings for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, Inc, 1932)

Olds' fall catalog 1932 : bulbs, seeds and perennial plants for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1932)

Olds' fall catalog 1933, 46th. year : bulbs, seeds, perennial plants for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Co, 1933)

"On gardening" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

One-hundred and fifth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1906)

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

The Orchid review (Orchid Review ltd.], 1914)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1911)

Our seeds grow friends : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Chas. McCullough Seed Co, 1932)

Our seeds grow friends : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Chas. McCullough Seed Co, 1933)

Page's seed annual : seeds, bulbs, plants, roses, fruit-trees, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page Seed Co, 1902)

Painesville Nurseries : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1914)

Painesville Nurseries : spring 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1916)

Palms, ferns, orchids and flowering plants : also novelties in roses and carnations for 1914 delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson Inc, 1914)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamphlets on silviculture (1899)

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, 1909)

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

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 : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1904)

Park's floral guide : 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1906)

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

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 illustrated flower book of choice dependable seeds : season of 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1923)

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 novelties and specialities in seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1912)

Park's novelties and specialties in seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1901)

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)

Paul J. Howard's California Flowerland, season 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1945)

Payne's flower seeds for fall and winter planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1936)

Payne's garden guide, 1927 : seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1927)

Payne's garden guide [of] seeds, plants & trees : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1922)

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 and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1924)

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, 1931 : 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, 1931)

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)

Perfection seeds, bulbs, plants and garden requisites for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, 1921)

Perfection seeds, bulbs, plants and garden requisites for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1922)

Petals from Flowerland : 1932 a new year, Olympiad a new rose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1932)

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

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 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, tools, summer flowering bulbs, insecticides and fertilizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

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 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 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 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 : 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1896)

Peter Henderson & Co.s manual of everything for the garden : 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1890)

Peter Henderson, Stumpp & Walter : 1953 garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson, Stumpp & Walter Co, 1953)

Pflanzenmikrochemie : ein Hilfsbuch beim mikrochemischen Studium pflanzlicher Objekte - Tunmann, Otto, 1867 -1919 (Gebrüder Borntraeger, 1913)

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

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1905)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Philadelphia flower & garden show - Pennsylvania Horticultural Society. (The Society, 1977)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1945)

Photosynthesis - Spoehr, H. A. (Herman Augustus), 1885 -1954 (The Chemical catalog company, inc, 1926)

Physiologische Pflanzenanatomie - Haberlandt, Gottlieb, 1854 -1945 (W. Engelmann, 1904)

Pike's "can't-be-beat" guaranteed seeds, bulbs, plants, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.W. Pike, Seedsman, Inc, 1936)

Pitcher & Manda wholesale autumn catalogue of bulbs and seeds for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1893)

Plant-breeding - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1915)

Plant-breeding - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1915)

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 - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

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 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)