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

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, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

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, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

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, 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, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

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

Perennials, shrubs, trees, vines, ferns, espaliers, ground covers : wholesale list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1944)

Perennials, shrubs, trees, vines, ferns, espaliers, ground covers : wholesale price list, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1943)

Perennials, shrubs, trees, vines, ferns, espaliers : retail and wholesale list, 1941-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1941)

Perfection Nurseries : 1929-1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1929)

Perfection Nurseries, 1930-1931, growers of high-grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1930)

Perfection Nurseries, 1931-1932, growers of high-grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1931)

Perfection Nurseries, Inc., Foley, Alabama : we grow the best -o- we sell the best : our stock is sure to please you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1933)

Perfection Nurseries, Inc., Foley, Alabama : we grow the best -o- we sell the best : our stock is sure to please you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1934)

Perfection Nurseries, Incorporated, Foley, Alabama : 1940-1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, Incorporated, 1940)

Perfection Nurseries, Incorporated, Foley, Alabama : we grow the best, we sell the best : our stock is sure to please you : 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, Incorporated, 1939)

Perfection Nurseries, Incorporated, Foley, Alabama : we grow the best -o- we sell the best : our stock is sure to please you : 1937-1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, Incorporated, 1937)

Perfection Nurseries, Incorporated, Foley, Alabama : we grow the best -o- we sell the best : our stock is sure to please you : 1936-1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, Incorporated, 1936)

Perfection Nurseries, Incorporated, Foley, Alabama : we grow the best, we sell the best : our stock is sure to please you : 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, Incorporated, 1938)

Perfection Nurseries, Incorporated, Foley, Alabama : we grow the best -o- we sell the best : our stock is sure to please you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perfection Nurseries, 1935)

Perkie plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ivy Hill Forest, 1959)

Perkie plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ivy Hill Forest, 1957)

Perkins-DeWilde Nurseries, Incorporated, 1950-51, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1950)

Perkins-DeWilde Nurseries, Incorporated, 1951-52, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1951)

Perkins-DeWilde Nurseries, Incorporated, 1952-53, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1952)

Perkins-DeWilde Nurseries, Incorporated, 1953-54, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1953)

Perkins-DeWilde Nurseries, Incorporated, 1954-55, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1954)

Perkins-DeWilde Nurseries, Incorporated, 1955-56, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1955)

Perkins-DeWilde Nurseries, Incorporated, 1958-59, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1958)

Perkins-DeWilde Nurseries, Incorporated, 1959-60, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1959)

Permanent plants for American gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Foster Nurseries, 1949)

Permanent plants for American gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Foster Nurseries, 1950)

Permanent plants for American gardens : for a colorful carefree garden plant the new flowering quinces - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Foster Nurseries, 1951)

Permanent plants for American gardens : for a colorful carefree garden plant the new flowering quinces - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Foster Nurseries, 1953)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pests not known to occur in the United States or of limited distribution no.50 Light-brown apple moth - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (United States Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 1984)

Petals from Flowerland : 1932 a new year, Olympiad a new rose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1932)

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)

Petrie Landscape Nurseries : roses, evergreens, shrubs, fruit stocks, vines, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1959)

Pettyjohn Nursery, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pettyjohn Nursery, 1946)

Pettyjohn Nursery, 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pettyjohn Nursery, 1947)

Pettyjohn Nursery, 1948-1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pettyjohn Nursery, 1948)

Pettyjohn Nursery, 1949-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pettyjohn Nursery, 1949)

Die Pflanzennamen der deutschen Flora : mit den wichtigern Synonymen in alphabetischer Ordnung, etymologisch erklärt - Martin, Adolf. (H.W. Schmidt, 1851)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Die Pflanzenwelt Dalmatiens - Adamović, Lujo (Lujo V.), 1869 -1935 (W. Klinkhardt, 1911)

Phasmid studies - Phasmid Study Group. (Phasmid Study Group, 1992)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1994)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2010)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1683)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1759)

PHS news - Pennsylvania Horticultural Society. (The Society, 1981)

PHS news - Pennsylvania Horticultural Society. (The Society, 1986)

PHS news - Pennsylvania Horticultural Society. (The Society, 1995)

Physica sacra - Scheuchzer, Johann Jakob, 1672 -1733 (Christian Ulrich Wagner], 1731)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2018)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2020)

Phytoneuron (Guy L. Nesom, 2010)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2018)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

Pierre Pena et Mathias de Lobel - Legré, Ludovic, 1838 -1904 (H. Aubertin & G. Rolle, 1899)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1936)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1934)

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

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

Pigford Nurseries, 1928-29 season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1928)

Pigford Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1931)

Pigford Nurseries : Lumberton, Mississippi - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1937)

Pigford Nurseries, Lumberton, Mississippi - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1929)

Pinax botanonymos polyglottos katholikos, Index nominum plantarum universalis, : diversis terrarum, gentiúmque linguis, quotquot ex auctoribus ad singula plantarum nomina excerpi & juxta seriem A.B.C. collocari potuerunt, ad unum redactus, videlicet: Europaeorum Latinâ sive vetere Romanâ, Graecâ antiquâ, Italicâ cum suis, Hetruriâe, Istriae, Venetorum, Forojuliensium, nec non insularum adjacentum Malthae, Cretae vel Candiae, Lesbi, &c. Dialectis, Hispanicâ, Lusitanicâ & in ea regnorum Cataloniae, Valentiae, &c. Gallicâ vetere & neotericâ cum suis, Burgundiae, Narbonae, Parisiensium, &c. idiomatibus. Anglicâ, Scoticâ & Irlandicâ. it: Danicâ, Germanicâ cum suis, Silesiorum, Marchicorum, Pomeranorum, Borussorum &c. sermonum proprietatibus. Belgicâ cum sua Brabanticâ. Bohemicâ, Polonicâ, Lituanicâ, Vinidicâ, Rutenicâ, Wallachicâ olim Dacicâ, Hungaricâ, Sclavonicâ, Croaticâ. &c. Asiaticorum, Hebraeâ, Chaldaicâ, Syriacâ, Arabicâ, Turcicâ cum sua Tripolitana, &c. Tartaricâ, Persicâ, Malabaricâ, Bramanicâ olim Brachmanicâ, prophetarum, magorúmq[ue], veterum, Zeilanicâ sive Cingalicâ, Javanicâ, Bengalicâ, Sinicâ, Japonicâ, Malaicâ, Coreicâ. &c. Africanorum Aegyptiacâ, Aethiopicâ, Mauritanicâ sive Barbaricâ & Tunensium, cum poenorum antiqua, Canaricâ & Madagascaricâ. Americanorum, Brasilianâ, Virginianâ, Mexicanâ & adjacentium populorum aliorúmq[ue] in insulis, & continente solo, hinc inde habitantium, quorum sermonum nomina non omnibus, sed quibusdam tantùm plantis, quotquot apud auctores reperta fuerunt, sparsim adposita sunt. Characteribus Latinorum, Graecorum & Germanorum maximè per Europam usitatis conscriptus, & ita concinnatus, ut plantarum genera, species, colorum & quarumvis partium differentiae, quotquot erudicti ad hunc usque diem adnotarunt , ordine legitimo inter se collocarenrur: citatis (quod improbum laborem requisivit) classicorum auctorum & eorum, qui in plerisque suprâ laudatis linguis scripserunt, locis genuinis & correctis, ab ipso Hippocrate ad nostri s - Mentzel, Christian, 1622 -1701 (Sumptibus auctoris. Prostat apud Danielem Reichelium. Ex officina Rungiana, 1682)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptins, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H. G. Bohn, 1875)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptions, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H.G. Bohn [etc.], 1880)