Deere volume 4 page 27
steel plow picture, volume 4
page 27
plum (tree and fruit)
MAIN ARTICLE volume 10 page 100, picture,
volume 10 page 100
Pluto (Greek and Roman mythology): see
in index Hades
Pluto (dwarf planet)
MAIN ARTICLE volume 10 page 101, picture,
volume 10 page 101
MORE TO EXPLORE
planets volume 10 page 92, picture, volume
10 page 93
solar system volume 12 page 128, picture,
volume 12 page 127
Pluton (Greek god): see in index Hades
pluton (astronomy): see in index dwarf
planet
Plymouth (city in Massachusetts, U.S.)
Massasoit volume 8 page 75
Plymouth Colony volume 10 page 102
Plymouth Colony (English settlement in
New England)
MAIN ARTICLE volume 10 page 102, picture,
volume 10 page 102
MORE TO EXPLORE
Massachusetts volume 8 page 72
“Mayflower” volume 8 page 83
Squanto volume 12 page 170
Thanksgiving volume 13 page 56
Plymouth Rock (U.S. history)
landing of the Pilgrims picture, volume
10 page 102
PM (time): see in index post meridiem
pneumonia (disease)
MAIN ARTICLE volume 10 page 103, picture,
volume 10 page 103
MORE TO EXPLORE
cough volume 3 page 207
lung volume 7 page 184
pneumonic plague (disease)
plague volume 10 page 92
poaching (illegal hunting)
pet volume 10 page 66
Pocahontas (Powhatan princess)
MAIN ARTICLE volume 10 page 103, picture,
volume 10 page 104
MORE TO EXPLORE
Jamestown volume 7 page 11
pod (plant reproductive body)
bean volume 2 page 41
pea picture, volume 7 page 125, picture,
volume 10 page 42
Podgorica (capital city of Montenegro)
MAIN ARTICLE volume 10 page 104
MORE TO EXPLORE
Montenegro volume 8 page 175
podium (zoology): see in index tube foot
“Poems on Various Subjects, Religious
and Moral” (book by Wheatley)
Wheatley volume 15 page 40
poet: see in index poetry
poetry (literature)
MAIN ARTICLE volume 10 page 105
MORE TO EXPLORE
literature volume 7 page 160
point (mathematics)
geometry volume 5 page 98
pointillism (art)
painting volume 10 page 10
poison (physiology)
MAIN ARTICLE volume 10 page 106, picture,
volume 10 page 106
MORE TO EXPLORE
scorpion volume 12 page 51
poison hemlock (plant)
hemlock volume 6 page 38
poison ivy (plant)
poison volume 10 page 106
poison spur (platypus anatomy)
platypus volume 10 page 99
Pokanoket (Native American people): see
in indexWampanoag
Poland (country in Europe)
MAIN ARTICLE volume 10 page 107
MORE TO EXPLORE
coal industry picture, volume 3 page 144
history
Lithuania volume 7 page 165
Prussia volume 10 page 161
BRITANNICA STUDENT ENCYCLOPEDIA Poland 201
Soviet Union volume 14 page 13
timeline volume 10 page 107
Ukraine volume 14 page 7
WorldWar II volume 15 page 66
people and culture
children in traditional clothing picture,
volume 10 page 108
Roman Catholic monastery picture,
volume 10 page 108
Solidarity demonstration picture, volume
7 page 98
Warsaw picture, volume 15 page 14
polar bear (mammal) picture, volume 2
page 42
bear volume 2 page 41
polar bear mother with cubs picture,
volume 8 page 35
polar bear on Hudson Bay ice picture,
volume 8 page 45
polar climate
climate volume 3 page 138
polar exploration
MAIN ARTICLE volume 10 page 110
MORE TO EXPLORE
Henson and Peary at the North Pole
picture, volume 10 page 110
use of sleds for supplies picture, volume
10 page 111
Polaroid Land camera
photography volume 10 page 77
polder (reclaimed land)
Netherlands volume 9 page 38
pole, magnetic (physics): see in index
magnetic pole
polecat (mammal): see in index skunk
pole vault (athletics) picture, volume 13
page 86
track and field volume 13 page 86, picture,
volume 13 page 85
police
MAIN ARTICLE volume 10 page 111, picture,
volume 10 page 112, picture, volume
10 page 112
MORE TO EXPLORE
Coolidge volume 3 page 195
policy (government)
United States government volume 14
page 34
polio (disease)
MAIN ARTICLE volume 10 page 113
MORE TO EXPLORE
child wearing a leg brace picture, volume
10 page 113
nervous system volume 9 page 36
Roosevelt volume 11 page 92
Rudolph volume 11 page 100
Salk volume 12 page 21, picture, volume
12 page 21
political asylum (law): see in index asylum
political campaign (politics): see in index
campaign
political cartoon
cartoon volume 3 page 50
political map (cartography)
geography volume 5 page 97
map and globe volume 8 page 49
political party
MAIN ARTICLE volume 10 page 114, picture,
volume 10 page 114
MORE TO EXPLORE
government volume 5 page 131
United States electoral college volume 4
page 119
political system: see in index communism;
fascism; government; socialism
politics: see in index political system
Polk, James K. (president of the U.S.)
MAIN ARTICLE volume 10 page 114, picture,
volume 10 page 115
MORE TO EXPLORE
timeline volume 10 page 114
pollen (botany)
MAIN ARTICLE volume 10 page 116
MORE TO EXPLORE
bee volume 2 page 46
butterfly and moth volume 2 page 158
flower volume 5 page 38
images
cross-pollination picture, volume 10
page 117
self-pollination picture, volume 10
page 116
insects volume 6 page 140
pollex (anatomy): see in index thumb
pollination
bee volume 2 page 46
flower volume 5 page 38
pollen volume 10 page 116
polling place (election)
voting volume 14 page 105
Pollock, Jackson (U.S. artist)
painting volume 10 page 11
pollution (environment)
MAIN ARTICLE volume 10 page 117
MORE TO EXPLORE