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Columbia Encyclopedia

Columbia Electronic Encyclopedia, published by Columbia University Press
The Columbia Electronic Encyclopedia contains entries on people, places, events, historical facts and terms, with bibliographies for further reading.
On this page: Pluto to poison gas.
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Title Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
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Pluto (planet)
Pluto (in Greek religion and mythology)
plutonium (element)
Plymouth (city, England)
Plymouth (city, Massachusetts)
Plymouth (city, Minnesota)
Plymouth Brethren (in church, Protestantism)
Plymouth Colony (historical site, Massachusetts)
Plymouth Sound (body of water, England)
Plynlimon (mountain, Wales)
plywood (material)
Plzeň (city, Czech Republic)
Płock (city, Poland)
Pm (symbol)
pneumatic tool (mechanical device)
pneumoconiosis (disease)
pneumonia (disease)
pneumothorax (disease)
Po (river, Italy)
Po (chemical symbol)
Pocatello (city, Idaho)
pocket mouse (rodent)
Pocono Mountains (mountains, Pennsylvania)
pod (in botany)
Podgorica (city, Montenegro)
podiatry (branch of medicine)
Podolia (region, Ukraine)
Podolsk (city, Russia)
podzol (in geology)
poet laureate (poetry, United Kingdom/United States)
pogrom (politics, history, Russia)
Pohang (city, South Korea)
Pohnpei (state, Micronesia/Carolineis)
poi (food)
poinciana (tree, plant)
Point Barrow (geographical area, Alaska)
Point Four program (project, United States)
Point Grey (city, Canada)
Point Judith (geographical area, Rhode Island)
Point Pelee (geographical area, Canada)
Point Pleasant (city, New Jersey)
Point Reyes National Seashore (national site, California)
Point Roberts (city, Washington)
Pointe-à-Pitre (city, Guadeloupe)
Pointe-Noire (city, Congo)
pointer (dog)
poison (material)
Poison Affair (historical event, France)
poison gas (material)