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

Pesticides programs - United States. Department of Agriculture. (1966)

Die pflanzlichen Parasiten des menschlichen Körpers. Für Ärzte, Botaniker und Studirende zugleich als Anleitung in das Studium der niederen Organismen - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1866)

Pharmacographia :A history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan and co, 1879)

Pharmacographia : a history of the principal drugs of vegetable origin met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan, 1879)

The physiology of ethylene production by citrus peel tissue - Evensen, Kathleen Brown, 1952 - (1978)

Physiology of fungi - Cochrane, Vincent W. (Wiley, 1958)

Physiology of the fungi - Lilly, Virgil Greene. (McGraw-Hill, 1951)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Die pilze, eine einführung in die kenntnis ihrer formenreihen ... - Lindau, Gustav, 1866 -1923 (G. F. Göschen, 1912)

Die pilze in morphologischer, physiologischer, biologischer und systematischer beziehung - Zopf, W. (Wilhelm), 1846 -1909 (E. Trewendt, 1890)

A plain and easy account of British fungi : with descriptions of the esculent and poisonous species, details of the principles of scientific classification, and a tabular arrangement of orders and genera - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1862)

A plain and easy account of the British fungi, with descriptions of the esculent and poisonous species, details of the principles of scientific classification, and a tabular arrangement of orders and genera - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Hardwicke, 1871)

A plain easy account of British fungi : with descriptions of the esculent and poisonous species - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (1862)

Plant disease Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1925)

Plant disease losses : their appraisal and interpretation - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1950)

The plant disease reporter - United States. Bureau of Plant Industry. (Bureau of Plant Industry, U.S. Dept. of Agriculture, 1942)

Plant disease surveys in the Northeastern United States in 1943 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1944)

Plant disease surveys in the Southeastern United States in 1943 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1944)

Plant disease surveys in the Western United States in 1943 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1944)

Plant disease training manual - Montana. Department of Agriculture (The Dept, 1981)

Plant diseases in Utah in 1927 - United States. Office of Mycology; Disease Survey. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1928)

Plant health care for woody ornamentals : a professional's guide to preventing and managing environmental stresses and pests - International Society of Arboriculture. (Cooperative Extension Service, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, 1997)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1968)

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

Plant pathological investigation in the United States - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1950)

Plant pathological investigation in the United States II - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1950)

The Plant world - Plant World Association. (Plant World Association [etc.], 1917)

The Plant world - Plant World Association. (Plant World Association [etc.], 1918)

Planting guide : fall 1964 spring 1965 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bountiful Ridge Nurseries, 1962)

Planting guide : fall 1964 spring 1965 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bountiful Ridge Nurseries, 1963)

Planting guide : fall 1967 spring 1968 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bountiful Ridge Nurseries, 1966)

Planting guide : fall 1967 spring 1968 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bountiful Ridge Nurseries, 1970)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1946)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1955)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1961)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1966)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1971)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1972)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1976)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1979)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1988)

Plantsman - New Hampshire Plant Growers' Association. (1994)

Plantsman - New Hampshire Plant Growers' Association. (1996)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

Population dynamics of microorganisms associated with caladium seedpieces - Ferriss, Richard S., 1948 - (1979)

The potato - Dean, Daniel (The Macmillan Company, 1917)

The potato - Dean, Daniel (Macmillan, 1917)

Potato diseases in Hawaii and their control - Carpenter, C. W. (Clarence Willard), 1888 -1946 (U.S. G.P.O, 1920)

Potato wilt, leaf-roll, and related diseases - Orton, W. A. (William Allen), 1877 -1930 (U.S. Dept. of Agriculture, 1914)