Plants, seeds, and currents in the West Indies and Azores; the results of investigations carried out in those regions between 1906 and 1914 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Williams and Norgate, 1917)

Die Pljesivica und ihr Verbindungszug mit dem Velebit in botanischer Hinsicht. A Pljesvica s a Velebittel összekötö hegyvonulat botan. viszonyai - Rossi, Ljudevit, 1850 - (Pallas Irodalmi és Nyomdai Részvénytársaság, 1913)

A pocket botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms - Lindley, John, 1799 -1865 (J. Andrews, 1840)

Pollen - Edgeworth, Michael Pakenham, 1812 -1881 (Hardwicke & Bogue, 1877)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Popular garden botany; containing a familiar and scientific description of most of the hardy and half-hardy plants introduced into the flower garden - Catlow, Agnes, 1807? -1889 (L. Reeve, 1855)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

Popular geography of plants; or, A botanical excursion round the world - Daubeny, Charles, 1795 -1867 (L. Reeve, 1855)

Popular geography of plants; or, A botanical excursion round the world - Daubeny, Charles, 1795 -1867 (1855)

Popular names of flowers, fruits, &c., as used in the county of Somerset and the adjacent parts of Devon, Dorset and Wilts - Macmillan, Alexander Stuart. (Western Gazette, 1922)

Popular Science Review (1862)

Popular Science Review (1864)

Popular Science Review (1865)

Popular Science Review (1867)

Populäre Botanik oder gemeinfassliche Anleitung zum Studium der Pflanze und des Pflanzenreiches. Zugleich ein Handbuch zum Bestimmen der Pflanzen auf Excursionen - Schmidlin, Eduard, 1808? -1890 (Krais & Hoffmann, 1857)

Port Stockton Nursery, Stockton, California - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Port Stockton Nursery, 1940)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1932)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

The practical fruit, flower and vegetable gardener's companion, with a calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C. M. Saxton and co, 1855)

The practical fruit, flower and vegetable gardener's companion, with a calendar - Emerson, G. (Gouverneur), 1796 -1874 (C. M. Saxton & co, 1855)

The practical fruit, flower and vegetable gardener's companion with calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C.M. Saxton and Co, 1855)

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 practical handbook of British birds - Witherby, H. F. (Harry Forbes), 1873 -1944 (Witherby, 1924)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (The Bullard company, 1912)

A practical handbook of trees, shrubs, vines and herbaceous perennials. Hardy and ornamental varieties, their characteristics, uses and treatment - Kirkegaard, John (Williams Bookstores Co, 1916)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (Williams Bookstores Co, 1916)

Practical hints for the field lepidopterist. I - Tutt, James William, 1858 -1911 (E. Stock, 1908)

Practical hints on the culture and general management of Alpine or rock plants ... to which is appended a list of Alpines, fern ... etc - Lothian, James. (W.H. Lizars, 1845)

Practical landscape gardening : the importance of careful planning, locating the house, arrangement of walks and drives, construction of walks and drives, lawns and terraces, how to plant a property, laying out a flower garden, architectural features of the garden, rose gardens and hardy borders, wild gardens and rock gardens, planting plans and planting lists - Cridland, Robert B. (A.T. De La Mare Company, inc, 1916)

Practical landscape gardening; the importance of careful planning, locating the house, arrangement of walks and drives, construction of walks and drives, lawns and terraces, how to plant a property, laying out a flower garden, architectural features of the garden, rose gardens and hardy borders, wild gardens and rock gardens, planting plans and planting lists - Cridland, Robert B. (A.T. De La Mare Company, inc, 1918)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1923)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1920)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University press, 1920)

Praktische Studien an der Familie der Orchideen, nebst Kulturanweisungen und Beschreibung aller schönblühenden tropischen Orchideen - Beer, Johann Georg, 1803 -1873 (Gerold & Sohn, 1854)

Preisliste - Mann, Otto (Firm) (Otto Mann, 1908)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)

Preliminary lists of New England plants - Deane, Walter, 1848 -1930 (1899)

Preliminary report on the forest and other vegetation of Pegu - Kurz, Wilhelm Sulpiz, 1834 -1878 (C.B. Lewis, Baptist Mission Press, 1875)

Preliminary report on the forest and other vegetation of Pegu - Kurz, Wilhelm Sulpiz, 1834 -1878 (Lewis, 1875)

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

Price list - Eastern Nurseries. (Eastern Nurseries, 1908)

Price list - Eastern Nurseries. (Eastern Nurseries, 1909)

Price list - Eastern Nurseries. (Eastern Nurseries, 1912)

Price list. No. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1922)

Price list. No. 15 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1925)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1942)

Price list & catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.E. Wilson & Co., Inc, 1932)

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 : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1925)

Price list : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nurseries of Berlin, Penna, 1930)

Price list : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nurseries of Berlin, Penn'a, 1932)

Price list 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1933)

Price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1933)

Price list , 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1934)

Price list 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1934)

Price list, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1934)

Price list 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1935)

Price list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1935)

Price list, 1935, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1935)

Price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1936)

Price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1937)

Price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1938)

Price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1939)

Price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1940)

Price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1940)

Price list, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1942)

Price list, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1943)

Price list, 1943–1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wood-Howell Nurseries, Inc, 1943)

Price list, 1943–1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1943)

Price list : 1943 fall season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Columbia & Okanogan Nursery Company, 1943)

Price list and condensed catalogue : 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Columbia & Okanogan Nursery Company, 1942)

Price list, autumn 1938 spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1938)

Price list : complete landscape department : nursery stock of distinction - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1945)

Price list : Fall, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1923)

Price list, fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1924)

Price list : fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1925)

Price list, fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1925)

Price list, fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1926)

Price list, fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1927)

Price list : fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1931)

Price list, fall 1934 - spring 1935 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1934)

Price list, fall 1935 spring 1936 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1935)

Price list, fall 1936 spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1936)

Price list, fall 1936 spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mecklenburg Nurseries, Inc, 1936)

Price list, fall 1936 spring 1937 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1936)

Price list : fall 1937 – spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1937)

Price list, fall 1937, spring 1938 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1937)

Price list, fall 1938, spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1938)

Price list, fall 1939, spring 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1939)

Price list : fall, 1940-spring, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1940)

Price list : fall, 1941-spring, 1942 : trees, shrubs, evergreens, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1941)

Price list, fall 1942–spring 1943 : trees, shrubs, evergreens, herbaceous perennials, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1942)

Price list, fall 1943–spring 1944 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1943)

Price list, fall 1944–spring 1945 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1944)

Price list, fall 1945–spring 1946 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1945)

Price list, fall 1946–spring 1947 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1946)

Price list, fall 1947–spring 1948 : trees, shrubs, evergreens, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1947)

Price list, fall 1948–spring 1949 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1948)

Price list, fall 1949–spring 1950 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1949)

Price list, fall 1950–spring 1951 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1950)

Price list, fall 1951, spring 1952 : roses, evergreens, Herbaceous perennials, shrubs, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1951)

Price list, fall 1952, spring 1953 : trees, shrubs, roses, evergreens, Herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1952)

Price list, fall, 1953, spring, 1954 : shrubs, trees, Herbaceous perennials, roses, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1953)

Price list, fall, 1954, spring, 1955 : evergreens, shrubs, trees, herbaceous perennials, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1954)

Price list, fall and spring 1934-1935 : azaleas, broad-leaved evergreens, new and rare shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Le-Mac Nurseries, 1934)

Price list, fall and spring 1936-1937 : azaleas, broad-leaved evergreens, new and choice shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Le-Mac Nurseries, 1936)

Price list : fall season 1946 - spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Columbia & Okanogan Nursery Company, 1946)

Price-list for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1920)

Price list no. 10 : evergreens, trees, rhododendrons and azaleas, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (August Vorndran Nursery, 1940)

Price list, No. 29 : season fall 1929, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.B. Pilkington, 1929)

Price list of Eastern Nurseries, Inc. : Fall, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1926)

Price list of Eastern Nurseries, Inc. : fall, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : fall, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1928)

Price list of Eastern Nurseries, Inc. : season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1931)

Price list of Eastern Nurseries, Inc. : Spring, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1926)

Price list of Eastern Nurseries, Inc. : spring, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : spring, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1928)

Price list of Eastern Nurseries, Inc. : spring, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1929)

Price list of Eastern Nurseries, Inc. : spring, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1930)

Price list of Eastern Nurseries, Inc. : year 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1932)

Price list of Eastern Nurseries, Inc. : year 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1935)

Price list of Eastern Nurseries, Incorporated : Fall, 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1922)

Price list of Eastern Nurseries, Incorporated : Fall, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1924)

Price list of Eastern Nurseries, Incorporated : Fall, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1925)

Price list of Eastern Nurseries, Incorporated : Spring, 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1922)

Price list of Eastern Nurseries, Incorporated : Spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1925)