Proceedings of the nineteenth southern forest tree improvement conference, June 16-18, 1987, College Station, Texas - Texas Agricultural Experiment Station. (National Technical Information Service, 1987)

Proceedings of the ninth Southern Conference on Forest Tree Improvement : Knoxville, Tennessee, June 8-9, 1967 - Tennessee Valley Authority. Division of Forestry Development. (Eastern Tree Seed Laboratory, 1967)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2001)

Proceedings of the Oklahoma Academy of Science - Oklahoma Academy of Science (Oklahoma Academy of Science, 1921)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1902)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1918)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1900)

Proceedings of the seventeenth Southern Forest Tree Improvement Conference, June 6-9, 1983, University of Georgia, Athens, Georgia - University of Georgia. School of Forest Resources. (s.n, 1983)

Proceedings of the sixteenth Southern Forest Tree Improvement Conference : [held] May 27-28, 1981, Virginia Polytechnic Institute and State University, Blacksburg, Va - Southern Forest Tree Improvement Committee. (U.S. Forest Sciences Laboratory, 1981)

Proceedings of the Symposium on Management of Forest and Range Habitats for Nongame Birds, May 6-9, 1975, Tucson, Arizona - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1975)

Proceedings of the Twenty-first Southern Forest Tree Improvement Conference, June 17-20, 1991, Knoxville, Tennessee - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1991)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1882)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1885)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1888)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1872)

Proceedings : Seed Collection Workshop, May 16-18, 1979 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Southeastern Area, State & Private Forestry, 1979)

Proceedings : Southern Forest Tree Improvement Conference - Southern Forest Experiment Station (New Orleans, La.) (Louisiana State University, Division of Continuing Education in cooperation with Southern Forest Experiment Station, USDA Forest Service, 1973)

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

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

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, 1864)

The Production of lumber in 1913 - United States. Office of Industrial Investigations. (U.S. Dept. of Agriculture, 1915)

Production of lumber, lath, and shingles in 1915 and lumber in 1914 - Nellis, J. C. (Jesse Charles), 1885 - (U.S. Dept. of Agriculture, 1917)

Production of lumber, lath, and shingles in 1916 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1918)

Production of lumber, lath, and shingles in 1917 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1919)

Production of lumber, lath, and shingles in 1918 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1920)

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 (1904)

Profits will be made by buyers of stock from this special fall list : August 20 to November 15, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1929)

ProHort - Center for Urban Horticulture (1986)

ProHort - Center for Urban Horticulture (1987)

Propagation of forest trees having commercial value and adapted to Pennsylvania - Pennsylvania. Department of Forest; Waters. (W. S. Ray, state printer, 1902)

Propagation of wild birds; a manual of applied ornithology, treating of practical methods of propagation of quails, grouse, wild turkey, pheasants, partridges, pigeons and doves, and waterfowl, in America, and of attracting and increasing wild birds in general, including song-birds - Job, Herbert Keightley, 1864 -1933 (1915)

Proposed estuarine sanctuary grant award to the state of New York for a Hudson River estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Office of Coastal Zone Management, 1982)

Le propriétaire-planteur: semer et planter. Choix des terrains–semis–plantations forestières et d'agrément–entretien des massifs–élagage–description et emploi des essences forestières indigènes et exotiques, etc. Traité pratique et économique du reboisment et des plantations des parcs et jardins - Cannon, David (J. Rothschild, 1894)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1922)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1979)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2009)

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 Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1896)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1941)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1939)

Publications of the Central States Forest Experiment Station, July 1927 through December 1949 - Central States Forest Experiment Station (Columbus, Ohio) (The Station, 1950)

Publications of the Southern Forest Experiment Station : 1962 through 1970. Supplement - Southern Forest Experiment Station (New Orleans, La.) (USDA Forest Service, Southern Forest Experiment Station, 1971)

Puissance du Canada : les forêts du Canada et leurs produits - Small, H. Beaumont (Henry Beaumont), 1832 -1919 ([publisher not identified], 1885)

The puss caterpillar and the effects of its sting on man - Bishopp, F. C. (Fred Corry), 1884 -1970 (U.S. Dept. of Agriculture, 1923)

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

Quality trees : catalog and price list 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Groves Nurseries, 1916)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1960)

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

Queen Anne's county - Maryland Geological Survey. (The Johns Hopkins press, 1926)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1922)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1928)

Random notes on natural history (Southwick & Jencks, 1884)

Rare bulbs and seeds for fall planting : Offer 24 B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1935)

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)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recherches sur les végétaux fossiles de Meximieux - Marion, A.-F.‏ ‎ (Antoine Fortuné),‏ ‎ 1846 -1900 ([publisher not identified], 1872)

Record of American entomology for the year 1868 ... - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Book Agency, 1869)

A record of the fungi named by J.B. Ellis - United States. Bureau of Plant Industry, Soils,; Agricultural Engineering. (Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Dept. of Agriculture, 1952)

Recreative Science (1860)

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

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

Recueil de mémoires et autres pièces de prose et de vers : qui ont été lus dans les séances de la Société des amis des sciences, des lettres, de l'agriculture et des arts, à Aix - Société des amis des sciences, des lettres, de l'agriculture et des arts (Aix-en-Provence, France) (Augustin Pontier, 1819)

Recueil de Voyages et de Mémoires publié de la Société de Geographie - Société de Géographie de Paris. (Société de Géographie, 1825)

Recueil des mémoires et des travaux - Société botanique du Grand-Duché de Luxembourg. (La Société, 1897)

Reforesting Pennsylvania's waste land - Conklin, William Gardiner, 1886 - (W.S. Ray, state printer, 1916)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J.Van Schoonhoven en Comp. en G. van den Brink Janz, 1772)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J. van Schoonhoven en comp. [etc.], 1772)

Relative resistance of various hardwoods to injection with creosote - Teesdale, Clyde Harry. (U.S. Dept. of Agriculture, 1918)

Reliably hardy evergreens for fall planting : autumn 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1888)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1922)

Report - New York (State). Board of General Managers of the Exhibit of the State of New York at the World's Columbian Exposition. (J. B. Lyon, 1894)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1915)

Report of botanical survey of southern and central Louisiana made during the year 1870 - Featherman, A. (Americus), 1822 - (Printed at the office of the Republican, 1871)

Report of the Botanical Department of the New Jersey Agricultural College Experiment Station - New Jersey Agricultural Experiment Station. (The Station, 1901)

Report of the Botanical Department of the New Jersey Agricultural College Experiment Station - New Jersey Agricultural Experiment Station. (The Station, 1906)

Report of the botanical exploration of southwestern Virginia during the season of 1892 - Small, John Kunkel, 1869 -1938 (1893)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the Botanist - New York (State). State Botanist. (James B. Lyon, State Printer, 1867)