Parasitology (Cambridge University Press, 1922)

Parasitology (Cambridge University Press, 1920)

Parasitology (Cambridge University Press, 1918)

Parasitology (Cambridge University Press, 1921)

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

Pathogenicity of the nematodes Rotylenchulus reniformis, Helicotylenchus dihystera, and Tylenchorhynchus claytoni to shade tobacco - Ratanaworabhan, Sawart, 1936 - (1969)

Pathogens from economically important nitidulid beetles - Lindegren, James E. (U.S. Dept. of Agriculture, Agricultural Research Service, Western Region, 1973)

Penjing plants from China : Buxus sinica, Ehretia microphylla, Podocarpus macrophyllus, Sageretia thea, Serissa foetida - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. Biological Assessment; Taxonomic Support. (Biological Assessment and Taxonomic Support, Plant Protection and Quarantine, Animal and Plant Health Inspection Service, U.S. Dept. of Agriculture, 1996)

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