Parasitic rhizoctonias in America - Peltier, George Leo, 1888 - (1916)

Le parasitisme et la symbiose - Caullery, Maurice, 1868 -1958 (Doin, 1922)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1901)

The pathogenicity and interrelationship of Pratylenchus coffeae and Phythium splendens on Chinese evergreen - Noegel, Kenneth Arlen, 1938 - (1972)

Pathogenicity of Bacillus penetrans to Meloidogyne incognita - Brown, Stephen Michael, 1946 - (1983)

A pathological survey of the Para rubber tree (Hevea brasiliensis) in the Amazon Valley - Weir, James R. (James Robert), 1882 -1943 (U.S. Dept. of Agriculture, 1926)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

The Peanut, the unpredictable legume; a symposium - Arant, F. S. (Frank Selman), 1904 - (National Fertilizer Association, 1912)

Peas and pea culture; a practical and scientific discussion of peas, relating to the history, varieties, cultural methods, insect and fungous pests, with special chapters on the canned pea industry, peas as forage and soiling crops, garden peas, sweet peas, seed breeding, etc - Sevey, Glenn Cyrus, 1879 - (Orange Judd company, 1919)

Peas and pea culture; a practical and scientific discussion of peas, relating to the history, varieties, cultural methods, insect and fungous pests, with special chapters on the canned pea industry, peas as forage and soiling crops, garden peas, sweet peas, seed breeding, etc - Sevey, Glenn Cyrus, 1879 - (Orange Judd company, 1915)

Peas and pea culture; a practical and scientific discussion of peas, relating to the history, varieties, cultural methods, insects and fungous pests, with special chapters on the canned pea industry, peas as forage and soiling crops, garden peas, sweet peas, seed breeding, etc - Sevey, Glenn Cyrus, 1879 - (Orange Judd company, 1911)

Pennsylvania State Horticultural Association news - State Horticultural Association of Pennsylvania. (The Association, 1924)

Pennsylvania vegetable growers' news - Pennsylvania Vegetable Growers' Association. (Pennsylvania Vegetable Growers' Association, 1934)

Pest control by chemical, biological, genetic, and physical means; a symposium. Chairman: E. F. Knipling ... presented at the meeting of the American Association for the Advancement of Science, Section 0 on Agriculture, December 26-31, 1964 - Knipling, E. F. (Agricultural Research Service, U.S. Dept. of Agriculture, 1966)

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