Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1909)

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 annual convention of the society of American Florists - Society of American Florists; Ornamental Horticulturists. (Society of American Florists and Ornamental Horticulturalists, 1885)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1919)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1936)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1954)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1959)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1981)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1908)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1914)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1972)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1978)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2000)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1903)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1900)

Proceedings of the Linnaean Society of New York ... - Linnaean Society of New York (Linnaean Society of New York, 1933)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1928)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1927)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1982)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1866)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1910)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1828)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1844)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1846)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Profit with roses and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

Progress Nursery Company : Dinsmore's book of things that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Progress Nursery Co, 1922)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1911)

ProHort - Center for Urban Horticulture (1989)

ProHort - Center for Urban Horticulture (1996)

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

The propagation of plants ; giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd, 1887)

The propagation of plants, giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd co, 1887)

The protection of small fruits and berries, 1980-April 1989 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1989)

The Protective Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Protective Nurseries, 1933)

The Protective Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. J. McGraw, 1929)

The Protective Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Protective Nurseries, 1932)

The Protective Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Protective Nurseries, 1931)

The Protective Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. J. McGraw, 1926)

Prudential Nursery Co., the Kalamazoo Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Prudential Nursery Co, 1922)

The pruning-book. A monograph of the pruning and training of plants as applied to American conditions - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1898)

The pruning-book; a monograph of the pruning and training of plants as applied to American conditions - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1898)

Pruning evergreens and deciduous trees and shrubs - Giles, F. A. (Floyd A.) (University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, 1971)

The pruning-manual, being the 18th ed., rev. and reset - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company; [etc., etc.], 1916)

Pruning, planting, landscape work - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. M. Thompson & Son, 1927)

pu yang zhi wu zhi - Zhang, Junpu, Wu Hongchen, Zhu Xuewen & Ma Yipin (zhong guo ke xue ji shu chu ban she, 1996)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1959)

Purdy’s choice of plants and seeds - Purdy, A. M. (A.M. Purdy, 1898)

Pure seed specialists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Galloway Bros.-Bowman Co, 1912)

Put your planting problems up to us - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfunds' Nursery, 1921)

Putnam's garden handbook - Croy, Mae Savell, 1886 - (G. P. Putnam's Sons, 1917)

Putney's 1955 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1955)

Putney's 1957 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1957)

Putney's 1958 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1958)

Putney's 1959 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, Inc, 1959)

qing hai mu ben zhi wu zhi - Li, Yaojie (qing hai ren min chu ban she, 1987)

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)

Quaker Hill Nurseries [catalog] : growers of fruit and ornamental trees, small fruits, roses, shrubs and hedging - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quaker Hill Nurseries, 1923)

Quality nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fremont Nursery, 1924)

Quality nursery stock : fruit and ornamental trees, vines, shrubs, roses, berry plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fremont Nursery, 1919)

Quality nursery stock : fruit and ornamental trees, vines, shrubs, berry plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fremont Nursery, 1920)

Quality nursery stock : fruit and ornamental trees, vines, shrubs, berry plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fremont Nursery, 1921)

Quality nursery stock : wholesale list, 1950-51 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rich & Sons Nursery, 1950)

Quality Seed & Bulb Co's wholesale price list for market gardeners and florists : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quality Seed & Bulb Co, 1923)

Quality seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Templin-Crockett-Bradley Co, 1919)

Quality seeds, plants bulbs and garden supplies : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tether & Don, 1931)

Quality seeds : [season of 1921] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Templin-Crockett-Bradley Co, 1921)

Quality trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buesch Nurseries, Belleville, Illinois, 1927)

Quality : you can see at prices you can afford - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Valley Nursery Inc, 1959)

The Quarterly journal of science (J. Churchill and Sons, etc, 1870)

Quarterly - Women's National Agricultural; Horticultural Association. (Published quarterly for W.N.A. and H.A. by J.B. Haines, 1914)

[R. Douglas' Sons, Waukegan Nurseries] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. Douglas' Sons, 1917)

Ramsey's catalogue of bargains in trees and plants of highest quality ... : 1875-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ramsey's Austin Nursery, 1932)

Ransom Seed and Nursery Co. : 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ransom Seed and Nursery Co, 1925)

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

Rare plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1930)

Rare plants : of special merit for the collector, and a few for odd locations, many being new from Asia : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Campbell, 1927)

Rasmussen's Fruit Farm and Nurseries : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1930)

Rasmussen's Fruit Farm and Nurseries, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1931)

Rasmussen's Fruit Farm and Nurseries, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1933)

Ravinia Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.D. Clavey & Sons, 1926)

Ravinia Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.D. Clavey & Sons, 1927)

Rawson's bulb hand book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1907)

Rawson's bulb hand book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1908)

Rawson's bulb hand book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1909)

Rawson's garden manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1909)

Rawson's select bulbs for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1906)

Rayner's 1952 berry book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1952)

Rayner's 1954 berry book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1954)

Rayner's 1956 berry book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1956)

Rayner's 25th anniversary : strawberries blueberries fruit trees small fruits flowers 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1951)

Rayner's berry book 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1953)

R.B. Buchanan seeds : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.B. Buchanan, 1922)

R.B. Buchanan seeds 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.B. Buchanan, 1923)

Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Reading Naturalist. Reading - Reading Natural History Society. (2011)

The Reading Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1898)

Reading Nursery : [catalog] 1875 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1875)