Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2000)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2001)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2002)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2003)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2004)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2007)

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)

Physiology at the farm in aid of rearing and feeding the live stock - Seller, William, 1798 -1869 (W. Blackwood and sons, 1867)

The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1967)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2014)

Phytopathologie. Die krankheiten der culturgewächse. Für land- und forstwirthe, gärtner und botaniker - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1868)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

Plant diseases in Iowa in 1927 - Archer, W. Andrew (William Andrew), 1894 -1973 (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1928)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant explorations : ornamentals in the Netherlands, West Germany, and Belgium - Meyer, Frederick G. 1917 -2006 (Agricultural Research Service, U.S. Dept. of Agriculture, 1963)

Plant Form - Bell, Adrian D. (OXFORD UNIVERSITY PRESS, 1991)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant materials : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1924)

Plant materials, 1925 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1925)

Plant responses to salinity : a supplement to an indexed bibliography - Francois, L. E. (National Technical Information Service], 1985)

The planter's guide; A practical essay on the best method of giving immediate effect to wood, by the transplanting of large trees and underwood - Steuart, Henry, Sir, 1759 -1836 (W. Blackwood and sons, 1848)

Les plantes médicinales - Losch, Friedrich. (Vigot Frères, 1906)

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

The planting and care of shade trees - Smith, John Bernhard, 1858 -1912 (State gazette publishing co., printers, 1912)

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Planting guide ... for the Northwest : trees, shrubs, roses, peonies, vines, plants and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Milton Nursery Company, 1932)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1950)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1967)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1970)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1983)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1985)

Plants for Idaho gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1932)

Plants for Idaho gardens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1934)

The plants of Michigan; simple keys for the identification of the native seed plants of the state - Gleason, Henry A. (Henry Allan), 1882 -1975 (G. Wahr, 1918)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Plant Research Institute, Research Branch, Canada Dept. of Agriculture, 1960)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Research Branch, Agriculture Canada, 1985)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

Poisonous outdoor plants - Alberta. Alberta Agriculture; Rural Development. (Alberta Agriculture and Rural Development, 1995)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Poisonous plants of the Midwest - University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture. (Dept. of Landscape Architecture, University of Illinois, 1983)

Pomona Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.E. Steele, 1912)

Popular Science Review (1863)

The power of movement in plants - Darwin, Charles, 1809 -1882 (Appleton, 1907)

The power of movement in plants - Darwin, Charles, 1809 -1882 (D. Appleton, 1895)

The power of movement in plants - Darwin, Charles, 1809 -1882 (D. Appleton, 1897)

The power of movement in plants - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1900)

The power of movement in plants - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1896)

Practical agriculture - James, C. C. (Charles Canniff), 1863 -1916 (D. Appleton, 1899)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1894)

A practical treatise on the construction, heating and ventilation of hot-houses; including conservatories, green-houses, graperies, and other kinds of horticultural structures. With practical directions for their management, in regard to light, heat, and air - Leuchars, Robert B. (J.P. Jewett and company, 1851)

The preferred plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1926)

The preferred stock. April 2, 1932 Bulletin No. 7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1932)

The preferred stock. issued February 21, 1931 Bulletin No. 5 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1931)

Preferred stock trade price list Bulletin No. 3 January 17, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1935)

Preferred stock trade price list Bulletin No. 5 March 22, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1935)

Prehistoric Europe, a geological sketch - Geikie, James, 1839 -1915 (E. Stanford, 1881)

Prehistoric Europe : a geological sketch - Darwin, Charles, 1809 -1882 (Edward Stanford, 1881)

Preliminary catalogue of plants poisonous to stock - Chesnut, V. K. (Victor King), 1867 -1938 (1898)

Presenting home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1953)

Presenting home landscapes, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm and Olson, Inc, 1951)

Presenting home landscapes, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm and Olson, Inc, 1952)

Presenting home landscapes, spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1954)

Presenting home landscapes, spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1955)

Presenting home landscapes : spring, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1957)

Presenting home landscapes : spring, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1958)

Presenting home landscapes : spring, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1959)

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

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1904)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1905)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1906)

Price list - California Nursery Co. (The Nursery, 1917)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1908)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1909)

Price list Fall 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1920)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (MacRorie-McLaren Company, 1924)

Price list No. 16 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1926)

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

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hollandia Gardens, 1926)

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

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 1909-1910 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1909)

Price list : 1911-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1911)

Price list : 1912-1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1912)

Price list : 1915-1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1915)

Price list : 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1916)

Price list : 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1917)

Price list : 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Nurseries (Incorporated), 1917)

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

Price list : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1927)

Price list : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1928)

Price list, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1929)

Price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1930)

Price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Co, 1931)

Price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1931)

Price list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1932)

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. (Princeton Nurseries, 1934)

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

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

Price list : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1940)

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

Price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoyt Nurseries, 1944)

Price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1944)

Price list : Fall, 1920-Spring, 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiti Nurseries, 1920)

Price list fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1922)

Price list fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1923)

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

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. (Framingham Nurseries, 1925)

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

Price list. fall 1925-spring 1926 No. 125 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 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 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott Nursery Company, 1928)

Price list : fall, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott Nursery Company, 1929)

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

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

Price list no. 11 : evergreens, trees, rhododendrons and azaleas, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (August Vorndran Nursery, 1941)

Price list, no. 124 : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1924)