Perennials, a speciality : wholesale price list, fall, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1957)

Perennials, a speciality : wholesale price list, spring, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1959)

Perennials, a specialty : wholesale price list, fall, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1958)

Perennials, a specialty : wholesale price list, spring, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1958)

Perennials, alpines and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cowgill & Rogers, 1929)

Perennials and nursery stock [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ernst Mecklenburg, 1925)

Perennials and other hardy ornamental plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1927)

Perennials and rock garden plants grown in the Ozarks - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunset Gardens, 1932)

Perennials and rock plants : 1947 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunny Border, Incorporated, 1947)

Perennials and rock plants for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Perennials and rock plants : wholesale catalog, fall 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1939)

Perennials and rock plants : wholesale price list for 1948 & spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunny Border, Incorporated, 1948)

Perennials and their uses, including height, color, and season of bloom : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flower Farm, 1940)

Perennials and their uses, including height, color, and season of bloom, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flower Farm, 1941)

Perennials, annuals, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danker, 1942)

Perennials : deciduous trees, flowering shrubs, evergreens, hardy vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1924)

Perennials for all purposes : ground covers and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1920)

Perennials for fall planting 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Totty, 1916)

Perennials for rockgardens, hardy border and general plantings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1928)

Perennials from Four Winds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four Winds Farm Nursery Inc, 1938)

Perennials, or, Old fashioned hardy garden flowers [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nurseries, 1924)

Perennials, rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roberts Rose Co, 1930)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1935)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1936)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1938)

Perennials, rock-plants for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1937)

Perennials, rock plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Somerset Rose Nursery, Incorporated, 1933)

Perennials, rock-plants, roses, shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1934)

Perennials, rock-plants, shrubs, evergreens, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1938)

Perennials, rock-plants, shrubs, evergreens, roses, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1936)

Perennials, rock-plants, shrubs, evergreens, roses, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1937)

Perennials, roses, shrubs, evergreens, dahlias - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1932)

Perennials, shrubs, azaleas : wholesale trade list, fall, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1957)

Perennials, shrubs, azaleas : wholesale trade list, spring, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, Inc, 1958)

Perennials, shrubs, bulbs : wholesale trade list, fall, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1956)

Perennials, shrubs, bulbs : wholesale trade list, spring, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1957)

Perennials, shrubs, roses, bulbs : fall, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1951)

Perennials, shrubs, roses, bulbs : retail, fall, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : retail, fall, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : retail price list, fall, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : retail price list, spring, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : retail, spring, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : spring, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials, shrubs, roses, bulbs : spring, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1956)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials : use hardy plants for winter forcing, for summer cutting, for landscaping, for potted plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1929)

Perennials you must have - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1953)

The perfect garden, how to keep it beautiful and fruitful, with practical hints on eonomical management and the culture of all the principal flowers, fruits, and vegetables - Wright, Walter P. (Walter Page), 1864 -1940 (J. B. Lippincott company; [etc., etc.], 1908)

Periodical catalogue of fruit and ornamental trees and plants : 1845 & 1846 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph H. Jennings, Printer, 1845)

Periodical catalogue of fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopkins & Jennings, Printers, 1843)

Perkins Bros. 1951 catalog : potted roses, perennials, hardy asters, phlox, annuals, chrysanthemums, gladious, superior shasta daisies, daylilies, vegetable plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Bros, 1951)

Perkins Bros. flower garden news, 1940 : new and favorite varieties of perennials, annuals, roses that will help make your garden a place of beauty and joy throughout the coming season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Bros, 1940)

Perkins Bros., Stillwater Road, Saint Paul, Minnesota - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Bros, 1942)

Perkins' flower garden news for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Brothers' Flower Gardens, 1936)

Perkins' Flower Gardens for 1939 : new and favorite perennials, biennials and annual plants that will help make your garden a place of beauty and a joy thruout the coming season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins' Flower Gardens, 1939)

Perry's seeds, 1935 : lawn, vegetable and flower seeds, bulbs, plants, garden and poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1935)

Perry's seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1936)

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

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

Perry's seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1939)

Perry's seeds, 1940 : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1940)

Perry's seeds and garden requisites, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1934)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1941)

Perry Seed Company, 1929 : successors to Fiske Seed Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1929)

Perry Seed Company, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1931)

Perry Seed Company, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1932)

Perry Seed Company, successors to Fiske Seed Company : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1930)

Personal greetings from Clark Gardner, Osage, Iowa : here is my soilless indoor Easter garden, Number 142 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clark Gardner Nurseries, 1941)

A personal guide to the best in Holland grown bulbs, perennials, peonies, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1936)

A personal guide to the best in Holland grown bulbs, perennials, peonies, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1935)

Peter Bohlender & Sons, wholesale nurserymen : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Bohlender & Sons, 1926)

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 florists' wholesale catalogue of bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

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 manual of everything for the garden : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

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 for florists and market gardeners : plants, flower seeds, bulbs, vegetable seeds, farm seeds, fertilizers, insecticides, tools. etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

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 seeds, plants and bulbs, implements, tools, fertilizers, insecticides, books, requisites, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1904)

Peter Henderson & Co.'s wholesale catalogue of seeds, plants and bulbs, also tools, fertilizers, insecticides, books and requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1903)

Peter's perennial and other plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1909)

Peter's plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1908)

Peterson Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1904)

Pfeiffer's flower book, fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfeiffer Nursery, 1936)

Die pflanzen-mischlinge : ein beitrag zur biologie der gewächse - Focke, Wilhelm Olbers, 1834 -1922 (Gebrüder Borntrager, 1881)

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

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

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

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsels und Kraftwechsels in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsel und Kraftwechsel in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Die Pflanzenwelt Norwegens : ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (1873)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1864)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1867)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1866)

The Phoenix Nursery Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Co, 1912)

The Phoenix Nursery Company Catalog no. 3 : [spring 1910] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1910)

The Phoenix Nursery Company Catalogue no. 3, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1915)

The Phoenix Nursery Company Catalogue no. 3, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1913)

The Phoenix Nursery Company [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Company, 1911)

Phoenix's plant catalogue including plant novelties, greenhouse & bedding plants in eight classes, each alphabetically arranged : 1. New plants, 2. Hothouse plants and bedders, 3. Greenhouse and bedding plants, 4. Leading plants with lists, 5. Vase and basket plants, 6. Hardy herbaceous plants, 7. Fruit and vegetable plants, 8. summer flowering bulbs; bouquets, wreaths and floral decorations to order - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Nursey, published by F.K. Phoenix, proprietor, 1875)

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

PHS news - Pennsylvania Horticultural Society. (The Society, 1984)

Physiological botany; I. Outlines of the histology of phaenogamous plants; II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (Ivison, Blakeman, Taylor, 1885)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

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)