Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1885)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1886)

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

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

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

Popular studies of California wild flowers - Rice, Bertha Marguerite. (Upton bros. & Delzelle, 1920)

A popular treatise on the physiology of plants for the use of gardeners or for students of horticulture and of agriculture - Sorauer, Paul, 1839 -1916 (Longmans, Green, 1895)

A popular treatise on the physiology of plants for the use of gardeners or for students of horticulture and of agriculture - Sorauer, Paul, 1839 -1916 (Longmans, Green, and Co, 1895)

Popular west coast flora; an analytical key to the flora of the Pacific coast, in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (The Whitaker & Ray co. (incorporated), 1905)

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)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1848)

Porter-Walton's 1924 seed & nursery book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1924)

Porter-Walton's garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1948)

Porter-Walton's garden book. no. 47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1947)

Porter-Walton's garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1949)

Porter-Walton's garden book for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1950)

Porter-Walton's garden book for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1953)

Portland Seed Co's catalogue : 1901 seeds and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1901)

Portland Seed Co's catalogue 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1905)

Portland Seed Company 44th seedalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1936)

Portland Seed Company complete seed annual, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1929)

Portland Seed Company's catalog and seed annual for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1922)

Portland Seed Company's Catalog and seed annual for 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1924)

Portland Seed Company's Catalog and seed annual for 1925 - G.E. Conkey Company. (Portland Seed Co, 1925)

Portland Seed Company's Catalog and seed annual for 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1926)

Portland Seed Company's complete catalog and seed annual for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1921)

Portland Seed Company's complete catalogue. No. 57, 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1908)

Portland Seed Company's complete seed annual. No. 65 for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1910)

Portland Seed Company's complete seed annual and planters guide for 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1928)

Portland Seed Company's complete seed annual for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1913)

Portland Seed Company's complete seed annual for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1915)

Portland Seed Company's complete seed annual for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1916)

Portland Seed Company's complete seed annual for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1917)

Portland Seed Company's complete seed annual for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1918)

Portland Seed Company's complete seed annual for 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1919)

Portland Seed Company's complete seed annual for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1920)

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 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 calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C.M. Saxton and Co, 1855)

The practical garden-book, containing the simplest directions for the growing of the commonest things about the house and garden - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Grosset & Dunlap, 1906)

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)

The practical home farmer, a popular guide for the farm and fireside - Munroe, F. L., (Union printing company, 1886)

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 : with reference to the improvement of rural residences, giving the general principles of the art : with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & Co., No. 25 West Fourth Street, 1855)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of the art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

Practical plant propagation; an exposition of the art and science of increasing plants as practiced by the nurseryman, florist and gardener - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare company, inc, 1922)

Preis Verzeichnis über Gemüse Feld und Blumen Sämereien - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Schwake, 1895)

A preliminary catalogue of the flora of Vancouver and Queen Charlotte Islands - British Columbia Provincial Museum. (Printed by W. H. Cullin, 1921)

Preliminary report on taxonomy of Erigeron lackschewitzii for the Montana Natural Heritage Program - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Price list. January 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1919)

Price list : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Seed Company, 1921)

Price list 1921, applying to 1920 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oakley-Pate Seed Co, 1921)

Price list : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Company, 1922)

Price list 1922 for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Import, 1922)

Price list 1922 : Simon's perfection seeds for market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Simon & Son, 1922)

Price list 1923 for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Import, 1923)

Price list 1923 : Simon's perfection seeds for market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.N. Simon & Son, 1923)

Price list 1924 for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Import, 1924)

Price list : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1925)

Price list : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1926)

Price list 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rue Seed Co, 1927)

Price list : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1927)

Price list : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1928)

Price list : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1929)

Price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1930)

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

Price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1931)

Price list and cultural suggestions, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1929)

Price list and cultural suggestions, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1930)

Price list and cultural suggestions, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1931)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1902)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1903)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1900)

Price list and descriptive catalogue : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed House, 1904)

Price list and descriptive catalogue 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes & Co, 1905)

Price list and descriptive catalogue 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes & Co, 1906)

Price list and descriptive catalogue 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1907)

Price list and descriptive catalogue : field, flower and garden seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.A. Watkins Mdsc. Co, 1903)

Price list and descriptive catalogue for 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1909)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kansas Seed House, 1898)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1896)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1895)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1893)

Price list February 1, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cashman Seed Co, 1935)

Price list : February 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1923)

Price list : February 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1925)

Price list : February 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1926)

Price list : February 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1928)

Price list : February 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1929)

Price list : February 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1930)

Price list : February, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1931)

Price list : February 1st, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cashman Seed Company, 1931)

Price list February 25, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cashman Seed Company, 1936)

Price list for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1921)

Price list for market gardeners and florists : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Import, 1927)

Price list for market gardeners : vegetable and flower seeds 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lohrman Seed Company, 1921)

Price list for market gardeners. vegetable and flower seeds. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lohrman Seed Company, 1919)

Price list for market gardeners : vegetable and flower seeds 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lohrman Seed Company, 1920)

Price list for market gardeners. vegetable and flower seeds. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lohrman Seed Company, 1917)

Price list for market gardeners. vegetable and flower seeds. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lohrman Seed Company, 1918)

Price list : January 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1914)

Price list : January 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1915)

Price list : January 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1917)

Price list : January 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1920)

Price list : January 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1921)

Price list : January 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1922)

Price list : January 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1923)

Price list : January 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1924)

Price list, March, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1932)

Price list, March, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1933)

Price list, March, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1934)

Price list, March, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Comstock, Ferre & Co, 1935)

Price list of high grade florists' flower seeds : garden and grass seeds, bulbs and florists' supplies, for the trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Company, 1901)

[Price list of] Illinois Seed & Nursery Co., Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Illinois Seed & Nursery Co., Inc, 1917)

Price list of seed : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred P. Burr & Co, 1899)

Price list of seeds : plants, bulbs, garden tools and supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Winsel, 1903)

Price list of vegetable and flower seeds : January, 1922, season 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sluis Seed Store, 1922)

Price list of vegetables and flower seeds, bulbs, plants : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.K. Rugowski Seed Co, 1923)

Price list of Wilson's high-grade seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. J. Wilson Seed Co., Inc, 1932)

Price list, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland-American Seed Company, 1935)

Priced catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lincoln I. Neff, 1900)

Principal range plants of the central and southern Rocky Mountains : names and symbols - Nickerson, Mona F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976)

The principles of botany, structural, functional and systematic, condensed and immediately adapted to the use of students of medicine - Willshire, William Hughes 1816 -1899 (Hightley, 1840)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1898)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1862)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1868)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1918)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1917)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1977)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2002)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1859)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1876)