Phytographia Lusitaniae selectior, seu, Novarum, rariorum, et aliarum minus cognitarum stirpium, quae in Lusitania sponte veniunt, ejusdemque flora spectant, descriptiones iconibus illustratae - Brotero, Félix de Avellar, 1744 -1828 (Ex Typographia Regia, 1816)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1861)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Pitzonka's giant-flowering mixture of pansy plants : fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Pitzonka's perennial and rock-garden plants : for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1953)

Pitzonka's quality pansies : fall 1950, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Planning and planting service by Turner Bros. Nursery, West Long Branch, N.J - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1939)

Plant & eat vegetables for health : 1936, forty-third annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1936)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plant materials 1923 : a catalogue of descriptions and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1923)

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 materials, 1926 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1926)

Plant Pitzonka's perennial flowers to add color and gaiety to your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1944)

Plant Stokes seeds in 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Francis C. Stokes & Company, 1932)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Plantes alpines & vivaces, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H. Correvon & Fils, 1933)

Les plantes dans l'antiquité et au moyen âge, histoire, usages et symbolisme ... - Joret, Charles, 1839 -1914 (É. Bouillon, 1897)

Les plantes dans l'antiquité et au moyen âge, histoire, usages et symbolisme ... - Joret, Charles, 1839 -1914 (E. Bouillon, 1897)

Les plantes des montagnes et des rochers, leur acclimatation et leur culture dans les jardins - Correvon, Henry 1854 -1939 (L'auteur; [etc., etc.], 1914)

Planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1942)

Planting guide for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Collins Nurseries, Incorporated, 1932)

Planting home grounds; the beautifying of home grounds by the planting of trees, shrubs, plants and flowers suitable for southern and central Kansas and vicinity - MacDonald, Alfred. (Board of park commissioners, 1924)

Plants [and] bulbs for home [and] garden, 1852-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Valentin Burgevin, Inc, 1932)

Plants and bulbs for the home and garden : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Valentin Burgevin, Inc, 1931)

Plants and bulbs : wholesale price list, fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1934)

Plants and bulbs : wholesale price list, fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese, Inc, 1936)

Plants and bulbs : wholesale price list, fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese, Inc, 1937)

Plants for better gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1941)

Plants for every purpose : fall 1924, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1924)

Plants for every purpose : fall 1925, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1925)

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

Plants for May and June delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Co, 1924)

Plants for May and June delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Co, 1918)

"Plants that live" : trees, shrubs, annuals, evergreens, perennials, landscape design, landscape construction, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chebacco Nurseries, 1932)

Supplement no. 1 to the Good & Reese blue book for florists [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1930)

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)

Pontiac planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1930)

Pontiac planting guide [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1926)

Popular perennials, roses, flowering shrubs, fruit trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.E. Randall, 1926)

Popular perennials, roses, flowering shrubs, fruit trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.E. Randall, 1927)

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

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)

The practical flower garden - Ely, Helena Rutherfurd, 1920 (The Macmillan company, 1911)

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)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (Swan Sonnenschein, 1898)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (S. Sonnenschein, 1898)

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)

Der praktische landschaftsgärtner. Eine anleitung zur anlegung oder verschönerung von gärten verschiedener grösse ... Mit anweisung zu einer zweckmässigen benützung des küchengartens, zu spargel- und artischokenpflanzung, champignons-zucht, gurken- and melonentreiberei u.s.w - Hertz, Wilhelm. (Hoffmann, 1840)

Precis Analytique des Travaux de l'Academie des Sciences, Belles-Lettres et Arts de Rouen - Académie des sciences, belles lettres & arts de Rouen (1850)

The preferred stock : fall 1927 spring 1928 : for the trade [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1927)

The preferred stock for the trade : fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1932)

The preferred stock. looking ahead to season 1927-28 [price list]. Bulletin No. 1, issued June 14, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1927)

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] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Freeman, 1916)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1913)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1914)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1915)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1916)

[Price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George L. Ehrle, 1924)

[Price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George L. Ehrle, 1925)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1942)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1943)

Price list. No. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1920)

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

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

Price list : 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1930)

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

Price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.V. Bailey Nurseries, 1933)

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

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

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. (Outpost Nurseries, 1938)

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

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

Price list 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Schmidt & Son, Incorporated, 1941)

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

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

Price list : Dec. 1st, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1934)

Price list, F. 39 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1939)

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 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1927)

Price list : fall, 1931 spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1931)

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

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

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

Price list for 1933-1934, to be used in connection with our descriptive catalogue of 1931 and 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1933)

Price list for 1935 : trees, shrubs, vines, hardy herbaceous perennials, bedding plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1935)

Price list, issued August 1st, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1931)

Price list, No. 130 : fall 1928-spring 1929, 82nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1928)

Price list [of] choice gladiolus, montbretias, peonias, iris, hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chautauqua Flowerfield Co, 1925)

Price list of fruit trees, shrubs, plants, roses, iris and gladiolus bulbs : 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (West End Gardens, 1931)

Price list of gladiolus, dahlias and hardy flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Engel, 1929)

Price list of gladiolus, dahlias and hardy flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Engel, 1928)

Price list of nursery stock of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1920)

Price list of nursery stock of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1921)

Price list of nursery stock of the F. & F. Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1920)

Price list of nursery stock of the F. & F. Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1921)

Price list of nursery stock of the F. & F. Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1924)

Price list of nursery stock of the F. & F. Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1923)

Price list [of] ornamental nursery stock : fall 1921-spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1921)

Price list of seeds of conifers, forest and ornamental trees, shrubs, palms, fruit trees and roots and seeds of medicinal plants. No. 50, season 1929-1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Otto Katzenstein & Co, 1929)

Price list [of] strawberry plants for sale, as well as all kinds of fruit trees and ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1926)

Price list of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Co, 1923)

Price list of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Co, 1926)

Price list of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Co, 1927)

Price list of the Bloodgood Nurseries, dept. of American Nursery Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1924)

Price list of trees, flowering shrubs, evergreens, perennials, alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jerry Brookins & Son, 1930)

Price list of White Elm Nursery Company for 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Company, 1925)

Price list of White Elm Nursery Company for 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Company, 1927)

Price list on lining out stock : fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1926)

Price list : ornamental trees shrubs and vines, palms, ferns, grasses and flowering plants : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1925)

Price list spring 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1921)

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

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

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

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

Price list : spring-1930-fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1930)

Price list, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1941)

Price list. supplement of the "the Economizer". Spring, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poughkeepsie Nursery Company, Inc, 1923)

[Price of nursery stock] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George L. Ehrle, 1923)

Princeton Nurseries, Princeton, New Jersey [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1928)

La priorité des noms de plantes - Saint-Lager, Jean Baptiste, 1825 -1912 (Librarie J.-B. Baillière et fils, 1890)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1916)

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1865)

Procès-verbaux - Société Linnéenne de Bordeaux. (1917)

Procès-verbaux - Société Linnéenne de Bordeaux. (1933)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodrome de la flore des environs d'Anvers et d'une partie de la Campine - Société Encyclographique Des Sciences Médicales (1841)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

Prodromus florae Batavae - Nederlandsche Botanische Vereeniging, Leyden. (F.E. MacDonald, 1904)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

Prodromus florae Comitatus Nitriensis : sistens plantas phanerogamicas et cryptogamicas vasculares in Comitatu Nitriensi hucusque observatas - Knapp, Josef Armin, 1843 -1899 (Dispendiis auctoris, 1865)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1905)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Quaker Hill Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quaker Hill Nurseries, 1928)

Quaker Hill Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quaker Hill Nurseries, 1925)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1849)

Rare flowers, plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1922)

Rare hardy shrubs, new flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillcrest Gardens, 1933)

Recherches sur la géographie botanique du Lyonnais - Magnin, Antoine, 1848 -1926 (J.-B. Baillière, 1879)

Rectifications et additions à la flore des environs de Rouen - Blanche, Emmanuel, 1824 -1908 (Impr. de A. Peron, 1850)

Reference book for home and garden lovers. spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1946)

Reference book for home and garden lovers, spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1945)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1938)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1937)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1936)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1933)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1934)