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

The potato in British Columbia - Tice, Cecil, 1893 - (Printed by W.H. Cullin, printer to the King's most excellent Majesty, 1921)

The potato : a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (Judd, 1909)

The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (O. Judd company, 1905)

The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (Orange Judd company, 1905)

The potato quarantine and the American potato industry - Orton, W. A. (William Allen), 1877 -1930 (U.S. Dept. of Agriculture, 1914)

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

Powdery scab (Spongospora subterranea) of potatoes - Melhus, I. E. (Irving E.), 1880 - (U.S. Dept. of Agriculture, 1914)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1894)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

Practical crop protection - Alberta. Soil; Crop Management Branch. (Alberta Agriculture, Food and Rural Development, 1994)

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)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)

Preliminary catalogue of the flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1892)

A preliminary check list of the cryptogams and phanerogams in the vicinity of Saint Louis, Missouri - Engelmann Botanical Club. Check List Committee. (The Club, 1911)

Preliminary estimates of acreages of crop lands in the United States infested with some organisms causing plant diseases - 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, 1949)

Preliminary list of fungi and diseases of roses in the United States - Martin, G. Hamilton. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1928)

A preliminary list of Maine fungi - Ricker, Percy Leroy, 1878 -1973 (1902)

A preliminary list of Nicaraguan plant diseases - Stevenson, John A. (John Albert), 1890 -1979 (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1957)

A preliminary list of the parasitic fungi of Idaho - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

A preliminary report of surveys for plant diseases in East China - Porter, R. H. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1926)

Premium 1953 seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hall Seed Co., Inc, 1953)

Premium garden, flower, grass, field seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hall Seed Company, Inc, 1939)

Premium seeds, 1946 : garden, flower, grass, field seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hall Seed Company, Inc, 1946)

Preservation of damp grain with propionic acid - Ulrich, Maria Danuta. (1974)

Price list for field grown vegetable plants for 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dixie Plant Company, 1958)

Price list : spring 1927 : bulbs, plants, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1927)

Price list : spring 1928 : bulbs, plants, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1928)

Price list : spring 1929 : bulbs, plants, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1929)

Price list : spring 1930 : bulbs, plants, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1930)

Price list : spring 1931 : plants, bulbs, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1931)

Price list : spring 1932 : plants, bulbs, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1932)

Price's quality seeds for market gardeners, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1939)

Price's seeds, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1944)

Price's seeds, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1945)

Price's seeds 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1951)

Price's seeds 1952, since 1831 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1952)

Price's seeds 1957 : market gardeners, florists and home gardeners price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1957)

Price's seeds 1958 : price list for market gardeners, florists and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1958)

Price's seeds 1959 : price list for market gardeners, florists and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, Inc, 1959)

Price's seeds for 1950 : one of the oldest seed stores in the United States : for market gardeners, florists and home gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seeds, 1950)

Price's seeds : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George H. Price, Seedsman, 1938)

Price's seeds : spring 1954 : vegetable and flower, fertilizers, garden tools and supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1954)

Price's select tested seeds, 1943 : for market gardeners, florists and home gardens known the country over since 1831 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1943)

Price's select tested seeds for market gardeners, florists and home gardens, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1941)

Price's select tested seeds for market gardeners, florists and home gardens, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1942)

Price's vegetable and flower seeds, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Price's Seed Store, 1953)

The principles of agronomy; a text-book of crop production for high-schools and short-courses in agricultural colleges - Harris, Franklin Stewart, 1884 -1960 (The Macmillan company, 1915)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

The principles of floriculture - White, Edward Albert, 1872 -1943 (The Macmillan company, 1915)

The principles of plant culture; a text for beginners in agriculture and horticulture - Jones, L. R. (Lewis Ralph), 1864 -1945 (Macmillan, 1916)

Principles of plant pathology - Owens, Charles Elmer, 1877 - (Wiley, 1928)

Principles of plant physiology - Raber, Oran, 1893 -1940 (The Macmillan Co, 1938)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1916)

Principles of soil microbiology - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Williams & Wilkins, 1927)

The principles of vegetable-gardening - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1921)